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Webster 1913 Edition

Cockleshell

Coc′kle-shellˊ

,

Noun.

1.

One of the shells or valves of a cockle.

2.

A light boat.

To board the

cockleshell

in those plunding waters.

W. Black.

Definition 2024

cockleshell

cockleshell

English

Noun

cockleshell ‎(plural cockleshells)

The shell of a cockle (or similar shell).
A small, flimsy boat.