-ina 1
a suffix used in the formation of nouns of various types, esp. female proper names, musical instruments, compositions, etc.: Wilhelmina; sonatina. Cf. -in 2 , -ine 2 .
[ -ina, fem. of -inus ]
-ina 2
a suffix used in taxonomic names in biology: Euglenoidina; Nemertina.
[ -inus or Gk -inos; cf. -IN 1 , -INE 1 ]