[ ek-spuh-skeyt, ek-spis-keyt ]
/ ˈɛk spəˌskeɪt, ɛkˈspɪs keɪt /

verb (used with object), ex·pis·cat·ed, ex·pis·cat·ing. Chiefly Scot.

to find out by thorough and detailed investigation; discover through scrupulous examination.

Origin of expiscate

1605–15; < Latin expiscātus, past participle of expiscārī to fish out. See ex-1, pisci-, -ate1
Related formsex·pis·ca·tion, nounex·pis·ca·to·ry [ek-spis-kuh-tawr-ee, -tohr-ee] /ɛkˈspɪs kəˌtɔr i, -ˌtoʊr i/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019