Foist /(foist)/

1. A light and fast-sailing ship. [Obs.]

imp. & p. p. Foisted; p. pr. & vb. n. Foisting

1. To insert surreptitiously, wrongfully, or without warrant; to interpolate; to pass off (something spurious or counterfeit) as genuine, true, or worthy; -- usually followed by in.

   Lest negligence or partiality might admit or foist in abuses and corruption.

   When a scripture has been corrupted . . . by a supposititious foisting of some words in.

1. A foister; a sharper. [Obs.]
2. A trick or fraud; a swindle. [Obs.]