Entry 2 senses · 2 variants Webster, 1913 Holla · Hol·la · IPA /ˈhɑlə/ interj. v. i. 01 interj. Hollo. 1. Hollo. 02 v. i. See Hollo, v. i. imp. & p. p. Hollaed; p. pr. & vb. n. Hollaing 1. See Hollo, v. i. See: Hollo