thəˈrasik, thōrˈa-, thȯˈra-, -sēk adjective
Etymology: French thoracique, from Late Greek thōrakikos, from Greek thōrak-, thōrax corslet, chest + -ikos -ic
1. : of, relating to, located within, or involving the thorax
2. of a pelvic fin : placed under the corresponding pectoral fin and connected with the pectoral girdle