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Webster 1913 Edition
Acerous
Ac′er-ous
,Adj.
[Gr. α priv. +
κέρασ
a horn.] (Zool.)
(a)
Destitute of tentacles, as certain mollusks.
(b)
Without antennæ, as some insects.
Webster 1828 Edition
Acerous
AC'EROUS
,Adj.
1.
In botany, chaffy; resembling chaff.2.
An acerous or acerose leaf is one which is linear and permanent, in form of a needle, as in pine.