v. and adj.
1 shorten or diminish by cutting off the top or end part of; cut short, mutilate 2 Geom. & Mineralogy replace (an edge or a vortex) with a plane face, esp. so as to make equal angles with the adjacent faces. adj. Bot. & Zool. ending abruptly as if cut off transversely at the base or tip. truncation n.
[Latin truncare truncat - maim]
Source: The Canadian Oxford Dictionary
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