trich·i·nel·la \ˌtrikəˈnelə\noun Etymology: New Latin, from trichina + Latin -ella 1.capitalized: a genus (coextensive with the family Trichinellidae of the order Enoplida) of nematode worms comprising the trichinae and being often isolated in a distinct superfamily 2.pluraltrich·i·nel·lae\-eˌlē, -lī\: trichina 1