a. [ L. bacillum little staff. ] (Biol.) 1. Shaped like a rod or staff. [ 1913 Webster ]
2. (Biol.) Pertaining to, or produced by, the organism bacillus; bacillary. [ Webster 1913 Suppl. ]
‖n. pl. [ NL., fr. L. bacillum, dim. of baculum stick. ] (Biol.) See Diatom. [ 1913 Webster ]
a. 1. Of or pertaining to little rods; rod-shaped. [ 1913 Webster ]
2. (Biol.) Of or pertaining to bacilli; produced by, or containing, bacilli; bacillar; as, a bacillary disease. [ Webster 1913 Suppl. ]