Origin of pennateClassical Latin pennatus, winged from penna, quill, wing: see pen
- Having feathers or wings.
- Having elongate, bilaterally symmetrical valves. Used of diatoms.
- Resembling a feather. Used especially of a muscle whose fibers extend obliquely from a tendon.
Origin of pennateLatin pennātus from penna feather ; see pet- in Indo-European roots.