pronunc at en IV+ˈbläk adverb (or adjective)
Etymology: French
1. : as a body or whole : in a lump or mass
forced the islanders … to move en bloc — D.B.Forrester
one escape for harassed editors is to buy a group of strips en bloc from some syndicate — Coulton Waugh
2. : in one piece : as a unit
an engine with cylinders cast en bloc