looper

• POS: Noun
• HYPHEN: loop=er

CIDE DICTIONARY

looper, n. 

•  An instrument, as a bodkin, for forming a loop in yarn, a cord, etc.  [1913 Webster]
•  The larva of any species of geometrid moths. See Geometrid.  [1913 Webster]

OXFORD DICTIONARY

looper, n.
1 a caterpillar of the geometer moth which progresses by arching itself into loops.
2 a device for making loops.