winder

Etymology 1

From Middle English wynder; equivalent to wind + -er.

noun

1. A winding plant.
   Two types of leguminous crops combine most of the above mentioned favourable characteristics, the vines (creepers or winders, fig. 23) and the bushes (fig. 22). 1984, J. G. Ohler, K. H. Reichelderfer, Gerald A. Carlson, Economic Guidelines for Crop Pest Control, volumes 57-60, page 165
2. A textile worker, or machine, that winds cloth
3. A spool around which something is wound
4. A key or knob for winding a clock, watch or clockwork mechanism
5. One of the steps of a spiral staircase (as opposed to a flyer, or straight step).

Etymology 2

wind + -er

noun

1. (slang) A blow that winds somebody, or takes away their breath.

Etymology 3

Related to winnow.

verb

1. To fan; to clean grain with a fan.

Etymology 4

noun

1. Pronunciation spelling of window.
   That accounts for my having the dress, but it don't account for the piece that you left sticking to the rose-bush under Mrs. Lander's bed-room winder, which piece I took off that morning, and which piece I matched with the dress after you pitched it at me over them bannisters […] 1868, Ann Sophia Stephens, Doubly False