▪ I. crool, v. rare.
(kruːl)
[app. an onomatopœic formation, associated initially with the imitative group, croo, crood, croodle, crook, crookle, croak, and perhaps with croon, with echoic fashioning of the latter part.]
intr. To make an inarticulate sound more liquid and prolonged than a croak.
| 1580 Baret Alv. C 1672 To Croole, mutter, or speake softe to ones selfe: to rumble. 1617 Minsheu Ductor, To Croole, mutter, or speake softly to himselfe. 1851 S. Judd Margaret xiv. (1871) 102 Frogs..crooled, chubbed, and croaked. 1892 Sunday Mag. June 425/1 Baby is lying in mother's lap, crooling and gurgling. |
▪ II. crool, n. rare.
(kruːl)
[f. the vb.]
The sound described under crool v.; = cooing vbl. n. 1.
| 1938 W. de la Mare Memory 71 The monotonous crool of a dove. |