RAR'ITY, noun [Latin raritas.] 1. Uncommonness; infrequency. Far from being fond of a flower for its rarity - 2. A thing valued for its scarcity. I saw three rarities of different kinds, which pleased me more than any other shows in the place. 3. Thinness; tenuity; opposed to density; as the rarity of air.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI