Definition of "slip"
slip1
/slɪp/
verb
third-person singular simple present slips, present participle slipping, simple past and past participle slipped or (obsolete) slipt
(intransitive) To accidentally reveal a secret or otherwise say something unintentionally.
noun
plural slips
(mining) A dislocation of a lead, destroying continuity.
(engineering) The motion of the centre of resistance of the float of a paddle wheel, or the blade of an oar, through the water horizontally, or the difference between a vessel's actual speed and the speed it would have if the propelling instrument acted upon a solid; also, the velocity, relatively to still water, of the backward current of water produced by the propeller.
slip2
/slɪp/
noun
plural slips
(obsolete) A descendant, a scion.