/ Dictionary / Index A auxiliary rafter: Meaning and Definition of Find definitions for: auxil'iary raft'er Pronunciation: [key] a rafter reinforcing a principal rafter. a rafter reinforcing a diagonal member of a queen post truss. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. auxiliary language auxiliary storage Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language