Lewis Short
Corcŭlum (noun N) : dim.cor
* A little heart, Plaut. Most. 4, 2, 70; as a term of endearment,id. Cas. 4, 4, 14.—As a surname of Scipio Nasica, on account of his sagacity, Cic. Tusc. 1, 9, 18; id. Brut. 20, 70; Aur. Vict. Vir. Ill. 44, 6; and as masc. in plur.: Corculi cognominati,Plin. 7, 31, 31, § 118; cf. Paul. ex Fest. p. 61, 5 Müll.
Charlton T. Lewis, Charles Short, A Latin Dictionary