| pawn | Mutant of Paramoecium that, like the chess piece, can only move forward and is unable to reverse to escape noxious stimuli. Defect is apparently in the voltage sensitive calcium channel of the ciliary membrane. (18 Nov 1997) |
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| pawnees | <ethnology> A tribe of Indians (called also Loups) who formerly occupied the region of the Platte river, but now live mostly in the Indian Territory. The term is often used in a wider sense to include also the related tribes of Rickarees and Wichitas. Synonym: Pani. Source: Websters Dictionary (01 Mar 1998) |