{3de01_cupiditas}

Meaning desire, an emotion, a type of operation of the mind, in other words: a type of cogitatio operatio
Subsets (kinds) all emotions starting with {3de32}: desiderium, aemulatio, gratia, benevolentia, ira, vindicta, crudelitas, timor, audacia, pusillanimitas, consternatio, humanitas, ambitio, luxuria, ebrietas, avaritia, libido (the definition-equivalences are listed below, where you can click to their loci in Ethica).
Mantras [what is] cupiditas sive [hence] appetitus
Related concepts cupiditas is a type of cogitatio-operatio
Occurrence [geomap]
{1p31 Intellectus naturatam naturantem}                            ... cupiditas, like will (voluntas) and everything else that happens in the mind is part of thinking (cogitatio-operatio) together with intelligere, comprehendere, concipere, percipere ... all claimed passive ...
... The intellect in function, whether finite or infinite, just like will, desire, love, &c., should be referred to passive nature and not to active nature. ... Intellectus actu sive [excl exh] is finitus sit sive [excl exh] infinitus, ut et voluntas, cupiditas, amor etc. ad Naturam naturatam, non vero ad naturantem referri debent.
... intellect ... a certain mode of thinking, differing from other modes, such as love, desire, &c.  ... must ... be referred to nature passive rather than to nature active, as must also the other modes of thinking ... ... Intellectum enim ... certum tantum modum cogitandi, qui modus ab aliis scilicet cupiditate, amore, etc. ... concipi debet ut sine ipso nec esse nec concipi possit ... ad Naturam naturatam, non vero naturantem referri debet ut etiam reliqui modi cogitandi ...
3p09s conatus voluntas appetitus essentia cupiditas
... endeavour, when referred solely to the mind, is called will, when referred to the mind and body in conjunction it is called appetite ... Desire is appetite with consciousness thereof ... in no case do we strive for, wish for, long for, or desire anything, because we deem it to be good, but on the contrary we deem a thing to be good, because we strive for it, wish for it, long for it, or desire it
 ... conatus cum ad mentem solam refertur, voluntas appellatur sed cum ad mentem et corpus simul refertur, vocatur appetitus ... cupiditas est appetitus cum ejusdem conscientia ... nihil nos conari, velle, appetere neque cupere quia id bonum esse judicamus sed contra nos propterea aliquid bonum esse judicare quia id conamur, volumus

Equivalence claims involving cupiditas
{3p56} 1. desire 2.  each man's essence or nature, in so far as it is conceived as determined to a particular action by any given modification [Lat: affectiones] of itself 1. cupiditas 2. ipsa uniuscujusque essentia seu [mng eqv] natura quatenus ex data quacunque ejus constitutione determinata concipitur ad aliquid agendum
{3de01} [notes] 1. Desire 2. the actual essence of man, in so far as it is conceived, as determined to a particular activity by some given modification [Lat: affectiones] of itself. 1.Cupiditas 2. ipsa hominis essentia quatenus ex data quacunque ejus affectione determinata concipitur ad aliquid agendum
{3de32} 1. Regret 2. the desire or appetite to possess something, kept alive by the remembrance of the said thing, and at the same time constrained by the remembrance of other things which exclude the existence of it. 1. Desiderium 2. cupiditas sive [non-excl non-exh] appetitus re aliqua potiundi quae ejusdem rei memoria fovetur et simul aliarum rerum memoria quae ejusdem rei appetend existentiam secludunt, coercetur. 
{3de32} 1. Regret 2. the desire or appetite to possess something, kept alive by the remembrance of the said thing, and at the same time constrained by the remembrance of other things which exclude the existence of it. 1. Desiderium 2. cupiditas sive [non-excl non-exh] appetitus re aliqua potiundi quae ejusdem rei memoria fovetur et simul aliarum rerum memoria quae ejusdem rei appetend existentiam secludunt, coercetur. 
{3de34} 1. Thankfulness 2. Gratitude 3. the desire or zeal springing from love, whereby we endeavour to benefit him, who with similar feelings of love has conferred a benefit on us. 1. Gratia 2. gratitudo 3. cupiditas seu [non-excl non-exh] amoris studium quo ei benefacere conamur qui in nos pari amoris affectu beneficium contulit.
{3de36} 1. Anger 2. the desire, whereby through hatred we are induced to injure one whom we hate 1. Ira 2. cupiditas qua ex odio incitamur ad illi quem odimus malum inferendum.
{3de37} 1. Revenge 2. the desire whereby we are induced, through mutual hatred, to injure one who, with similar feelings, has injured us. 1. Vindicta 2. cupiditas qua ex reciproco odio concitamur ad malum  inferendum ei qui nobis pari affectu damnum intulit.
{3de39} [notes] 1. Timidity 2. the desire to avoid a greater evil, which we dread, by undergoing a lesser evil. 1. Timor 2. cupiditas majus quod metuimus malum minore vitandi. Vide scholium propositionis 39 hujus {non-deductive reference}. 
{3de40} 1. Daring 2. the desire, whereby a man is set on to do something dangerous which his equals fear to attempt. 1. Audacia 2, cupiditas qua aliquis incitatur ad aliquid agendum cum periculo quod ejus quales subire metuunt
{3de45} 1. Luxury 2. excessive desire, or even love of living sumptuously. 1. Luxuria 2. immoderata convivandi cupiditas vel [non-excl non-exh] etiam amor
{3de47} 1. Avarice 2. the excessive desire and love of riches. 1. Avaritia 2. immoderata divitiarum cupiditas et amor
{3de48} 1. Lust 2. desire and love in the matter of sexual intercourse. 1. Libido 2. etiam cupiditas et amor in commiscendis corporibus