quintal /ˈkwɪntl/noun 4adjective 1forms 1 noun4 •An unofficial metric unit equal to 100 kg. •(historical) Various other similar units of weight in other systems. •(historical) Synonym of hundredweight, 100 or 112 English or American pounds. •A grammatical number referring to five (or more) things.Furthermore, if the number-incorporated pronouns are analyzed as grammatically marked for number, distinct grammatical categories for trial, quadral and quintal must be posited. — 2002 adjective1 •Referring to five (or more) things; of, in or relating to the quintal grammatical number.What Table 4 does not show is the possibility of even "quadral" and "quintal" forms, like yufopela 'you four', 'the four of you', yufaipela 'you five', 'the five of you'. — 1995 formsquintals