nĭgellus, a, um, adj. dim. [1. niger], somewhat black, dark (ante-class.): oculi suppaetuli nigellis pupulis, Varr. ap. Non. 456, 8: amiculum
, id. ib. 550, 6: vina
, Pall. 3, 25, 12: Cadmi nigellae filiae
, i. e. the letters of the alphabet
, Aus. Ep. 4, 74.