'Prost' definitions:

Definition of 'Prost'

From: GCIDE
  • Prost \Prost\, interj. [L., see prosit.] a contracted form of prosit. [PJC]

Definition of 'prost'

From: GCIDE
  • Prosit \Pro"sit\, interj. [L., 3d pers. sing. subj. present of prodesse to do good; pro for + esse to be.] Lit., may it do (you) good; -- a salutation used in well wishing, esp. among Germans, as in drinking healths; -- also used in the contracted form prost. [Webster 1913 Suppl.]