Letters that make Arca
a, c, r are letters that make 'Arca'
Narcan is a word created by adding a letter to 'Arca'
1 possible definitions for 'Arca'
Under this definition, arca is a noun and has the following properties:
genus Arca has the same meaning as Arca
'Arca' can be a type of mollusk genus.
'Arca' can be a member of Arcidae, family Arcidae.
ark shell, blood clam are members of 'Arca'.