hippoidadj.n.

1877 Proc. Acad. Nat. Sci. Philadelphia 154 If we regard the dental system of Equus as an acceleration of the dental system of the primitive hippoid types,..a clear explanation is at once afforded of the homologies of the parts of the teeth.

1887 Jrnl. Bombay Nat. Hist. Soc. 2 201 Marsh, Cope, and others have clearly proved a series of hippoid, horse-like creatures on the slopes of the Rocky Mountains.

1910 Bull. Amer. Mus. Nat. Hist. 27 384 Upper molars more or less hippoid.

1931 S. S. Smith Craft of Critic viii. 137 The ‘hippoid’ types of long, horse-faced Norman gentry who act as a brake on the great industrialists.

1880 Morning Post 17 Dec. 2/6 A primâ facie probability that this primordial hippoid had a low form of brain.

1911 P. Geddes & J. A. Thomson Evolution 29 As colder, drier climate set in, and the forests shrank, the progressive ‘hippoids’ took more and more to the open.

1930 New Statesman 21 June 336/1 But James brought in the unicorn as I say: a Caledonian hippoid.

1947 P. Fireman Sound Thinking i. 5 Owing to their similarities, the zoologists place the horse, ass and zebra in one large group, the so-called genus ‘horse-tribe’ (Hippoids).