Etymology

honk (n.)

cry of a goose, 1814, American English, imitative. The sense of "sound a horn," especially on an automobile, first recorded 1895 in American English. As a verb by 1854, of geese. Related: Honked; honking.

Definitions of honk
1
honk (v.)
make a loud noise;
Synonyms: blare / beep / claxon / toot
honk (v.)
use the horn of a car;
Synonyms: claxon
honk (v.)
cry like a goose;
The geese were honking
Synonyms: cronk
honk (v.)
eject the contents of the stomach through the mouth;
Synonyms: vomit / vomit up / purge / cast / sick / cat / be sick / disgorge / regorge / retch / puke / barf / spew / spue / chuck / upchuck / regurgitate / throw up
2
honk (n.)
the cry of a goose (or any sound resembling this);
From wordnet.princeton.edu