/ Dictionary / Index T tillable: Meaning and Definition of Find definitions for: till•a•ble Pronunciation: (til'u-bul), [key] — adj. able to be tilled; arable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tillable (Thesaurus) till tillage Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language