Webster's English Dictionary

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breach

1. breach \'bre-ch\ n [ME breche, fr. OE bryce; akin to OE brecan to break] 
   1: infraction or violation of a law, obligation, tie, or standard  2a: a 
   broken, ruptured, or torn condition or area  2b: a gap (as in a wall) made 
   by battering  3a: a break in accustomed friendly relations  3b: a temporary 
   gap in continuity : HIATUS  4: the leap of a whale out of water 
2. breach vt 1: to make a breach in  2: BREAK, VIOLATE  : to leap out of 
   water {a whale ~ing}