Wordnet 3.0
NOUN (1)
1.
dispenser consisting of a tubular ring around the propeller hub of an airplane through which antifreeze solution is spread over the blades;
The Collaborative International Dictionary of English v.0.48:
slinger ring \slinger ring\ n.
tubular ring around the propeller hub of an airplane through
which antifreeze solution is spread over the blades. [WordNet
1.5]
WordNet (r) 3.0 (2006):
slinger ring
n 1: dispenser consisting of a tubular ring around the propeller
hub of an airplane through which antifreeze solution is
spread over the blades