Hōl'lo or Hōl'loa1, interj. & n.
(Synop., § 130), interj. & n. [Fr. holà, from hō and là, there, from Lat. illāc, that way, there; It., Sp., & Pg. olà, Ger. holla and hollā.] Hey; ho; attend; here; — it is the usual response when a ship is hailed at sea.
And every day, for food or play, Came to the mariner's hollo. Coleridge.