a. [f. SPIRILL-UM + -AR.] Of or belonging to the bacterial genus Spirillum; resembling a spirillum; characterized by the presence of spirilla.
1891. in Cent. Dict.
1896. Allbutt’s Syst. Med., I. 510. We should find that some of its descendants are spirillar. Ibid., 952. Blood … containing the spirillar organisms.
1904. Brit. Med. Jrnl., 17 Sept., 654. The pseudo-leucocytes that are present in the blood in … spirillar fever.
