-acea
Zoology.
a suffix used in the formation of names of classes and orders: Crustacea.
Origin of -acea
< Latin, neuter pl, with collective meaning, of
-āceus. See
-aceous
British Dictionary definitions for -acea
-acea
suffix forming plural proper nouns
denoting animals belonging to a class or order
Crustacea (class); Cetacea (order)
Word Origin for -acea
New Latin, from Latin, neuter plural of
-āceus
-aceous