Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Take-up \Take"-up`\, n. (Mach.) That which takes up or tightens; specifically, a device in a sewing machine for drawing up the slack thread as the needle rises, in completing a stitch.
Wiktionary
n. 1 the act of taking something up, by tightening, absorption, or reeling in 2 (context machinery English) That which takes up or tightens; specifically, a device in a sewing machine or loom for drawing up the slack thread as the needle rises, in completing a stitch.
WordNet
n. a device for reducing slack or taking up lost motion
the action of taking up as by tightening or absorption or reeling in
Usage examples of "take-up".
At the end of the run the pins declutched so that the take-up roller could lift the plates.
A second control allowed them to spool the fiber up onto the take-up reel at a gear ratio of a thousand.
Tinbane blinked as the ball rolled harmlessly on, into the take-up slot and out of play.