'headpin' definitions:
Definition of 'headpin'
From: WordNet
noun
The front bowling pin in the triangular arrangement of ten pins [syn: headpin, kingpin]
Definition of 'headpin'
From: GCIDE
- headpin \head"pin`\ (Bowling) n. The front pin in the triangular arrangement of ten pins.
- Syn: kingpin. [WordNet 1.5]