OL Definition
ôl, ōl
abbreviation
Offensive lineman.
Webster's New World
Overtime losses.
American Heritage
Old Latin.
Webster's New World
Olympic Games.
Wiktionary
suffix
An alcohol or a phenol.
Glycerol.
American Heritage
noun
Abbreviation of Olympiad.
Wiktionary
adjective
(colloquial) Contraction of old, especially used before names as a sign of affection ("your ol' Grandpa").
Wiktionary
Origin of OL
From (alcoh)ol
From American Heritage Dictionary of the English Language, 5th Edition
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From Webster's New World College Dictionary, 5th Edition