im·plead (ĭm-plēd') tr.v.
im·plead·ed, im·plead·ing, im·pleads To sue in court in response to an earlier pleading.
[Middle English empleden, from Anglo-Norman empleder, variant of Old French emplaider : en-, intensive pref. (from Latin in-; see in-2) + plaidier, to plead; see plead.]
Main Entry: im·plead Pronunciation: im-'plEd Function: transitive verb Etymology: Anglo-French empleder, from Old French emplaidier, from en- thoroughly + plaidier to plead : to bring into a lawsuit; specifically: to bring (a third party who is or may be liable to the plaintiff or defendant) into a suit —compare INTERPLEAD, INTERVENE, JOIN