Square dancer, at times

• Dervish, for one
• Polishing machine
• One-___ (short film)
• Fisherman, at times
• Two-___ (old kind of motion picture)
• Sot, perhaps
• Someone who walks unsteadily as if about to fall

Wikipedia Word definitions in Wikipedia
A reeler mouse. A reeler is a mouse mutant , so named because of its characteristic "reeling" gait . This is caused by profound hypoplasia of the mouse's cerebellum , in which the normal cerebellar folia are missing. The mutation is autosomal and recessive ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Reeler \Reel"er\ (r?l"?r), n. One who reels. (Zo["o]l.) The grasshopper warbler; -- so called from its note. [Prov. Eng.]