duck·pin 
(dŭkpĭn′)
(dŭkpĭn′)n.
1. A bowling pin that is shorter and squatter than a tenpin.
2. duckpins (used with a sing. verb) A bowling game played with such pins and a small ball.
[From its squat appearance.]
- clear-eyed
- clearheaded
- clearheadedly
- clearheadedness
- clearing
- clearing-house
- clearinghouse
- clearly
- clearness
- clear out
- clear-sighted
- clear-sightedly
- clear-sightedness
- clearstory
- clearstory
- cleartext
- clear the air
- clear the deck
- clear waivers
- Clearwater
- Clearwater River
- clearweed
- clearwing
- Cleary
- cleat