happening or arising or located within some limits or especially surface; "internal organs"; "internal mechanism of a toy"; "internal party maneuvering"
occurring within an institution or community; "intragroup squabbling within the corporation"
the state of being imprisoned; "he was held in captivity until he died"; "the imprisonment of captured soldiers"; "his ignominious incarceration in the local jail"; "he practiced the immurement of his enemies in the castle dungeon"
American silversmith remembered for his midnight ride (celebrated in a poem by Longfellow) to warn the colonists in Lexington and Concord that British troops were coming (1735-1818)