/ Dictionary / Index S straining piece: Meaning and Definition of Find definitions for: strain'ing piece" Pronunciation: [key] (in a queen-post roof&hasp;) a horizontal beam uniting the tops of the two queen posts, and resisting the thrust of the roof. Also calledSee diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. straining arch straining sill Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language