jackknife clam

noun

common name for several species of saltwater shellfish in the family Solenidae; also known as razor shells. Their shells are long and narrow, suggesting a folded jackknife or cut-throat razor

Similar
razor clamknife-handle
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Meanings

nounjackknife clam (plural jackknife clams)

plural jackknife clams

  1. common name for several species of saltwater shellfish in the family Solenidae; also known as razor shells. Their shells are long and narrow, suggesting a folded jackknife or cut-throat razor

Synonyms & antonyms

nounmarine clam having a long narrow curved thin shell

Similar
razor clamknife-handle
Broader
clam
Also see
knife-handlerazor clam

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

jackknife clam. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/jackknife%20clam

MLA

“jackknife clam.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/jackknife%20clam. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “jackknife clam,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/jackknife%20clam.

Source: jackknife clam on Wiktionary, CC BY-SA 4.0.