副翼

Traditional form:

副翼

Pinyin (reading):

fùyì

Definitions:

• aileron (aeronautics)

Characters:

• 副 - to assist, to supplement; assistant; secondary; auxiliary
• 翼 - wings, fins; shelter

Traditional characters:

• 副 - to assist, to supplement; assistant; secondary; auxiliary
• 翼 - wings, fins; shelter