A slip, lapse, or error.

(formal) An inadvertent remark; slip of the tongue.

(formal) A slip of the pen, a miswriting.

(rare) A “slip of the finger”; a miskeying.

(rare) A spelling error in signing.

Archaic spelling of lapsus linguae.

(rare) A “slip of the mouse”; an error occasioned by the use of a computer mouse.

Alternative form of lapsus plumæ

An error made in writing.

(formal, rare) An instance of mishearing, an error in hearing something correctly.