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1. An instance of breaking open or bursting: a rupture in the fuel line.
2. A break in friendly relations.
a. A hernia, especially of the groin or intestines.
b. A tear in an organ or tissue: rupture of an appendix; ligament rupture.
v. rup·tured, rup·tur·ing, rup·tures
To cause to undergo or suffer a rupture: The accident ruptured his spleen.
To undergo or suffer a rupture: The blister ruptured. Their friendship ruptured.
[Middle English, from Old French, from Latin ruptūra, from ruptus, past participle of rumpere, to break; see reup- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.