I. (v.)

(split) fendar, fendetar;
(on surface only) krevisar;
(noise of momentary shock, as of fingers, whip) klakar:
jokar.
(on surface only) krevisar.
crack a joke - dicar espritajo; jokar.
crack up - laudar, laudegar; (interj.) krak!; (bend and flaw) knikar.

II. (n.) krako, krakado;

(split) fendeto, fenduro;
(surface crack as in china) krevisuro, fendeturo;
(of whip) klako, klakado; (of voice) krako, (cf, muo);
(of firearms) detono, detonado.
crack of doom - lasta judicio;
crack shot - (esar) bonega pafero, pafisto.
crack brained - esar mente nesana; fola; dementa; nesaja.

III. (adj.) ecelanta.

IV. (interj.) krak!