empennage

noun, plural em·pen·nag·es [ahm-puh–nah-zhiz, em-; French ahn-pe-nazh] /ˌɑm pəˈnɑ ʒɪz, ˌɛm-; French ɑ̃ pɛˈnaʒ/.

1. the rear part of an airplane or airship, usually comprising the stabilizer, elevator, vertical fin, and rudder.

noun

1. the rear part of an aircraft, comprising the fin, rudder, and tailplane