Crā'sis, n.

n. [Gr. κρᾶσις, from κεραννύναι, to mix.]

1Sense 1. (Med.) A mixture of the constituents of a fluid; as, the crasis of the blood, of humors, &c.; hence, constitution; temperament. Dunglison.

2Sense 2. (Gram.) A contraction of two vowels into one long vowel, or into a diphthong; as, cogo for coago, nil for nihil.