from
The Collaborative International Dictionary of English v.0.48
Auriculate \Au*ric"u*late\, Auriculated \Au*ric"u*la`ted\, a.
[See {Auricle}.] (Biol.)
Having ears or appendages like ears; eared. Esp.:
(a) (Bot.) Having lobes or appendages like the ear; shaped
like the ear; auricled.
(b) (Zool.) Having an angular projection on one or both
sides, as in certain bivalve shells, the foot of some
gastropods, etc.
[1913 Webster]
{Auriculate leaf}, one having small appended leaves or lobes
on each side of its petiole or base.
[1913 Webster]