2 entries under this word

Curdle

Cûr'dle, v. i.

verbintransitive

(kûr'dl), v. i. [Sometimes written cruddle and cruddle. From curd, q. v.]

To change into curd; to coagulate or concrete. “The curdling cheese.” Thomson.
To thicken; to congeal.

Then Mary could feel her heart’s blood curdle cold. Southey.

verbtransitive

v. t. [imp. & p. p. CURDLED; p. pr. & vb. n. CURDLING.]

To change into curd; to cause to coagulate. “To curdle whites of eggs.” Boyle.
To congeal or thicken.

My chill blood is curdled in my veins. Dryden.