/ Dictionary / Index G grub beam: Meaning and Definition of Find definitions for: grub' beam" Pronunciation: [key] — Shipbuilding. Shipbuilding. a curved, laminated wooden beam forming part of a rounded stern. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grub grubby Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language