Webster’s Revised Unabridged Dictionary · 1913 Holla Hol′la (hŏl′lä; 277), interj. [F. hola; ho ho + là there, fr. L. illac that way, there. Cf. Hollo.] Hollo. Hol′la, v. i. [imp. & p. p. Hollaed; p. pr. & vb. n. Hollaing.] See Hollo, v. i. ‹ Holing Holland ›