Pronunciation: (thrip'uns, threp'-, thrup'-; thrē'pens"), [key]
1. (used with a sing. or pl. v.) Brit.a sum of three pennies.
2. a former cupronickel coin of the United Kingdom, a quarter of a shilling, equal to three pennies: use phased out after decimalization in 1971. Also,thrippence,thruppence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.