thought (thôt) v. Past tense and past participle of think. n. The act or process of thinking; cogitation.A product of thinking. See Synonyms at idea. The faculty of thinking or reasoning.

lab·o·ra·to·ry (lbr-tôr, -tr) n. pl. lab·o·ra·to·ries A room or building equipped for scientific experimentation or research. A place for practice, observation, or testing.