Bible Dictionaries
Hollo

Webster's Dictionary

(1):

(interj.) To call out or exclaim; to halloo. This form is now mostly replaced by hello.

(2):

(interj. & n.) Ho there; stop; attend; hence, a loud cry or a call to attract attention; a halloo.

Bibliography Information
Webster, Noah. Entry for 'Hollo'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​h/hollo.html. 1828.