Littleneck

Origin

little + neck. Back-formation from littleneck clam.

Full definition of littleneck

Noun

1. A young quahog, or hard clam
• 2007, July 18, Mark Bittman, Summer Express: 101 Simple Meals Ready in 10 Minutes or Less, Put a few dozen washed littlenecks in a large, hot skillet with olive oil.