n. (Electronics) acronym for cathode-ray oscilloscope, an electronic device which provides visual images of varying electrical quantities. See oscilloscope.
Syn. -- oscilloscope, scope, cathode-ray oscilloscope. [ WordNet 1.5 ]

v. i. [ imp. & p. p. Croaked. (krōkt); p. pr. & vb. n. Croaking. ] [ From the primitive of AS. cracettan to croak as a raven; akin to G. krächzen to croak, and to E. creak, crake. ] 1. To make a low, hoarse noise in the throat, as a frog, a raven, or a crow; hence, to make any hoarse, dismal sound. [ 1913 Webster ]

Loud thunder to its bottom shook the bog,
And the hoarse nation croaked. Pope. [ 1913 Webster ]

2. To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually. [ 1913 Webster ]

Marat . . . croaks with reasonableness. Carlyle. [ 1913 Webster ]

v. t. To utter in a low, hoarse voice; to announce by croaking; to forebode; as, to croak disaster. [ 1913 Webster ]

The raven himself is hoarse,
That croaks the fatal entrance of Duncan. Shak. [ 1913 Webster ]

Two ravens now began to croak
Their nuptial song. Wordsworth. [ 1913 Webster ]

n. The coarse, harsh sound uttered by a frog or a raven, or a like sound. [ 1913 Webster ]

n. 1. One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil. [ 1913 Webster ]

2. (Zool.) (a) A small American fish (Micropogon undulatus), of the Atlantic coast. (a) An American fresh-water fish (Aplodinotus grunniens); -- called also drum. (c) The surf fish of California. [ 1913 Webster ]

☞ When caught these fishes make a croaking sound; whence the name, which is often corrupted into crocus.

adj. like the sounds of frogs and crows; as, acres of croaky frogs.
Syn. -- croaking, guttural. [ WordNet 1.5 ]

n. [ Cf. Cravat. ] 1. A native or resident of Croatia. [ 1913 Webster ]

2. An irregular soldier, generally from Croatia. [ archaic ] [ 1913 Webster ]

n. a Slavic-speaking country on the Adriatic, part of the Balkan region. It was formerly part of Yugoslavia. [ WordNet 1.5 +PJC ]

a. Of or pertaining to Croatia. -- n. A Croat. [ 1913 Webster ]

n. a contraction for crocodile. [ informal ] [ PJC ]