\Im*plead"\, v. t. [imp. & p. p. {Impleaded}; p. pr. &
vb. n. {Impleading}.] [Cf. {Emplead}.] (Law)
To institute and prosecute a suit against, in court; to sue
or prosecute at law; hence, to accuse; to impeach.

\Im*plead"\, v. i.
To sue at law.