Topneck
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A hard clam of an intermediate size, larger than a littleneck but smaller than a cherrystone. US
Etymology
Ellipsis of topneck clam; from top + neck.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.