Definition of quintal:
(n) :
An unofficial metric unit equal to 100 kg.
(n) :
(historical) Synonym of hundredweight, 100 or 112 English or American pounds.
(n) :
(historical) Various other similar units of weight in other systems.
(n) :
(grammar) A grammatical number referring to five (or more) things.
(adj) :
(grammar) Referring to five (or more) things; of, in or relating to the quintal grammatical number.
(n) :
A surname.