Imprest \Im"prest\, n. [Cf. It. impresto, imprestito, LL. impraestitum. See Imprest, v. t., and Impress compulsion to serve.]

A kind of earnest money; loan; -- specifically, money advanced for some public service, as in enlistment. --Burke.

The clearing of their imprests for what little of their debts they have received. --Pepys.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Imprest \Im*prest"\, v. t. [ imp. & p. p. Imprested; p. pr. & vb. n. Impresting.]

[Pref. im- + prest: cf. It. imprestare. See Prest, n.]

To advance on loan. --Burke.

Source: Webster's Revised Unabridged Dictionary (1913)