cockle (n.)
cockleshell, mussel-shell
Per IV.iv.2[Gower alone] we ... / Sail seas in cockles [or: coracles]
TNK IV.i.130[Gaoler's Daughter to First Friend] I keep close for all this, / Close as a cockle [i.e. keep myself to myself]
TS IV.iii.66[Petruchio to Haberdasher, of the hat] 'tis a cockle or a walnut-shell
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL