Lewis Short
rīma (noun F) : for rigma, from rig, ringor; hence, that gapes, yawns
* A cleft, crack, chink, fissure (cf. hiatus): angusta,Hor. Ep. 1, 7, 29: cava,Prop. 1, 16, 27: patet,Ov. M. 11, 515; cf. hiscit,Plin. 17, 14, 24, § 108: tabernae rimas agunt,are cracked,Cic. Att. 14, 9, 1; so, rimas agere,Ov. M. 2, 211; 10, 512; and in a like sense, ducere,id. ib. 4, 65: facere,to make,id. Tr. 2, 85: explere, to stop up, Cic, Or. 69, 231; cf.: nec te signata juvabunt Limina, persuasae fallere rima sat est,Prop. 4 (5), 1, 146.
* = cunnus, Juv. 3, 97.— Poet.: ignea rima micans, i. e. a flash of lightning (qs. cleaving the sky), Verg. A. 8, 392; imitated by Plin. 2, 43, 43, § 112.
* Transf., comically: plenus rimarum sum: hac atque hac perfluo, I am full of chinks, i. e. can keep nothing to myself, conceal nothing, Ter. Eun. 1, 2, 25 (opp. tacere, continere); Plaut. Curc. 4, 2, 24.
Charlton T. Lewis, Charles Short, A Latin Dictionary