/ Dictionary / Index H hothouse: Meaning and Definition of Find definitions for: hot•house Pronunciation: (hot'hous"), [key] — n., pl. adj. -hous•es —n. an artificially heated greenhouse for the cultivation of tender plants. —adj. of, pertaining to, or noting a plant grown in a hothouse, or so fragile as to be capable of being grown only in a hothouse. overprotected, artificial, or unnaturally delicate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hothouse (Thesaurus) hotheaded hothouse lamb Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language