PAWN (2)
Source: 566, 567
pawn (2). Pawn, v.t. to pledge, leave or give security
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Pawn, n. [[OE. paune, poun, OF. peon, poon, F. pion, LL. pedo a foot soldier, fr. L. pes, pedis, foot. See Foot, and cf. Pioneer, Peon.]] (Chess) A man or piece of the lowest rank.