Sc. [f. prec.] intr. To make a continued soft low murmuring sound; esp. to coo as a dove. Hence Croodling ppl. a.
17[?]. The Croodlin Doo, in Child, Eng. & Sc. Ballads, II. 363. My little wee croodlin doo.
a. 1810. Tannahill, Bonnie Wood, Poems (1846), 132. The cushat croodles amourously.
1890. Univ. Rev., 15 Oct., 195. She made a queer little croodling sound of comfort.