The Collaborative International Dictionary
Gyrencephalous
Gyrencephala \Gyr`en*ceph"a*la\ (j[i^]r`[e^]n*s[e^]f"[.a]*l[.a]), n. pl. [NL. fr. Gr. gyro`s round + 'egke`falos the brain.] (Zo["o]l.) The higher orders of Mammalia, in which the cerebrum is convoluted. -- Gyr`en*ceph"a*lous (j[i^]r`[e^]n*s[e^]f"[.a]*l[u^]s), a.