/ Dictionary / Index L left-branching: Meaning and Definition of Find definitions for: left-branch•ing Pronunciation: (left'bran"ching, -brän"-), [key] — adj. Ling. (of a grammatical construction) characterized by greater structural complexity in the position preceding the head, as the phrase my brother's friend's house; having most of the constituents on the left in a tree diagram (opposed to right-branching). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. left brain left-eyed flounder Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language