cŏāgŭlum, i, n. [cogo],
I a means of coagulation , a coagulum or coagulator (the curdled milk in the stomach of a sucking animal, the stomach itself, etc.), rennet or runnet , Varr. R. R. 2, 11, 4; Col. 7, 8, 1; Plin. 11, 41, 96, § 237 sq.; 23, 7, 63, § 117; Ov. M. 13, 830; 14, 274; id. F. 4, 545 al.—Meton. (causa pro effectu), the curdled milk , Plin. 28, 10, 45, § 162.—
II Trop., that which holds or binds together , a bond , tie (only anteand post-class. and rare): hoc (vinum) continet coagulum convivia, Varr. ap. Non. p. 28, 23: animi atque amoris, Gell. 12, 1, 21: amicitiae, Publ. Syr. 27: omnium aerumnarum, i. e. causa, Amm. 29, 2, 1.