-aceae
Botany
1.
a suffix used in the formation of names of families:
Rosaceae.
Origin
<
Latin,
feminine plural of
-āceus.
See
-aceous
British Dictionary definitions for
-aceae
-aceae
suffix
1.
denoting plants belonging to a family:
Liliaceae,
Ranunculaceae
Word Origin
New Latin, from Latin, feminine plural of
-āceus
-aceous