en·jamb·ment or en·jambe·ment (ěn-jām'mənt, -jāmb') n. The continuation of a syntactic unit from one line or couplet of a poem to the next with no pause.
[French enjambement, from Old French enjamber, to straddle : en-, causative pref.; see en-1 + jambe, leg; see jamb.]