The Collaborative International Dictionary of English v.0.48:
Rip \Rip\, v. t. [imp. & p. p. Ripped; p. pr. & vb. n.
Ripping.] [Cf. AS. r[=y]pan, also Sw. repa to ripple flax,
D. repelen, G. reffen, riffeln, and E. raff, raffle. Cf.
Raff, Ripple of flax.]
1. To divide or separate the parts of, by cutting or tearing;
to tear or cut open or off; to tear off or out by
violence; as, to rip a garment by cutting the stitches; to
rip off the skin of a beast; to rip up a floor; --
commonly used with up, open, off.
2. To get by, or as by, cutting or tearing.
He 'll rip the fatal secret from her heart.
3. To tear up for search or disclosure, or for alteration; to
search to the bottom; to discover; to disclose; -- usually
They ripped up all that had been done from the
beginning of the rebellion. --Clarendon.
For brethern to debate and rip up their falling out
in the ear of a common enemy . . . is neither wise
nor comely. --Milton.
4. To saw (wood) lengthwise of the grain or fiber.
Ripping chisel (Carp.), a crooked chisel for cleaning out
Ripping iron. (Shipbuilding) Same as Ravehook.
Ripping saw. (Carp.) See Ripsaw.
To rip out, to rap out, to utter hastily and violently; as,
to rip out an oath. [Colloq.] See To rap out, under
Rap, v. t.