n. the hawthorn or its fruit.
Etymology: OE haga f. Gmc, rel. to HEDGE
2.
n. the nictitating membrane of a horse, dog, etc., esp. when inflamed.
Etymology: 16th c.: orig. unkn.
3.
int. & v.
—int. expressing hesitation.
—v.intr. (in hum and haw: see HUM(1))
Etymology: imit.: cf. HA
Useful english dictionary. 2012.