a. Phys. [f. CIRCUM- 2 + L. os, or- mouth.] Situated around the mouth.
1847–9. Todd, Cycl. Anat., IV. 50/1. All the circumoral arms are crowded with vibratile organs.
1859. R. F. Burton, Centr. Afr., in Jrnl. Geog. Soc., XXIX. 320. The circumoral region is full and fleshy.
1878. Bell, Gegenbaur’s Comp. Anat., 200. In the Crinoida the circumoral suckers acquire the function of tentacles.
