Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
caelĭbātus (coel-), ūs, m. [caelebs], celibacy, single life (severely punished by the leges Julia and Papia Poppaea; only post-Aug.), Sen. Ben. 1, 9, 4; Suet. Claud. 16; 26; id. Galb. 5; Gai Inst. 2, 144.