1. Bot. Of leaves: Having at the base a pair of small, blunt projections, shaped like the lower lobe of the human ear.
1713. Petiver, in Phil. Trans., XXVIII. 54. With auriculate Leaves.
1857. Henfrey, Elem. Bot., § 88. If a sessile leaf has a cordate base, it becomes auriculate or eared.
2. Conch., Having an ear-shaped projection or process on one or both sides of the umbones or bosses, as in certain bivalves.
1854. Woodward, Man. Mollusca, II. 233. Producta … shell free, auriculate.
1872. Nicholson, Palæont., 211. The shell is auriculate, or furnished with ear-like expansions.
