\Darn\, v. t. [imp. & p. p. {Darned}; p. pr. & vb. n.
{Darning}.] [OE. derne, prob. of Celtic origin; cf. W. darnio
to piece, break in pieces, W. & Arm. to E. tear. Cf. {Tear},
v. t.]
To mend as a rent or hole, with interlacing stitches of yarn
or thread by means of a needle; to sew together with yarn or
thread.
      He spent every day ten hours in his closet, in darning
      his stockins.                            --Swift.
{Darning last}. See under {Last}.
{Darning needle}.
(a) A long, strong needle for mending holes or rents,
    especially in stockings.
(b) (Zo["o]l.) Any species of dragon fly, having a long,
    cylindrical body, resembling a needle. These flies are
    harmless and without stings.
Note: [In this sense, usually written with a hyphen.] Called
      also {devil's darning-needle}.

\Darn\, n.
A place mended by darning.

\Darn\, v. t.
A colloquial euphemism for {Damn}.