auricula noun. [ɔ:'rɪkjʊlǝ] In sense 1 orig. auriculus. M17.
[Latin, dim. of auris ear: see -CULE.]
1. A primula, Primula auricula, having ear-shaped leaves. M17.

2. = AURICLE 2. Only in L17.

3. A pulmonate mollusc of the family Ellobiidae, found in brackish marshes. Now rare or obsolete. L18.

4. Zoology. A perforated projection from an ambulacral plate of an echinoid, to which jaw muscles are attached. L19.

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