monorhine, a. and n. Zool.
(ˈmɒnɒraɪn)
Also monorrhine.
[f. mod.L. Monorhīna, f. Gr. µόνο-ς mono- + ῥῑν-, ῥίς nose.]
A. adj. Having a single nasal passage only; spec. applied to the Monorhina, a group of skulled vertebrates, having only one nasal passage, and comprising the lampreys and hags. Also monorhinal (ˈmɒnɒraɪnəl), monorhinous (ˈmɒnɒraɪnəs), adjs. in the same sense.
| 1890 Century Dict., Monorhinal. Ibid., Monorhine. 1897 E. R. Lankester in Nat. Science July 47 To assume..that these fishes were monorrhine, is surely illegitimate and arbitrary. 1900 Nature 20 Sept. 504/2 There is no evidence whatever that any of the creatures classed together as Ostracodermi were monorhinal like the Lampreys. 1902 Webster's Dict., Suppl., Monorhinous. |
B. n. A monorhinal vertebrate.
| 1890 in Century Dict.; and in later Dicts. |