Twist'er, n.
n. 1. One who twists; the person whose occupation is to twist or join the threads of one to those of another, in weaving.
Sense 2. The instrument used in twisting, or making twists.
The twain that, in twining, before in the twine, As twins were intwisted, he now doth untwine; ’Twixt the twain intertwisting a twine more between, He, twirling his twister, makes a twist of the twine. Wallis.
Sense 3. (Carp.) A girder. Craig.
Sense 4. (Man.) The inner part of the thigh; the proper place to rest upon when on horseback. Craig.