/ · 1894 Brewer’s · H · Happy as a Clam at High Tide
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The clam is a bivalve mollusc, dug from its bed of sand only at low tide; at high tide it is quite safe from molestation. (See Close as a Clam.)
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Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.
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