expression, ichidan verb
Literal and figurative use: a bird or aircraft extending its wings, or a person branching out into new activities. Compare 翼を張る, which can mean 'to stretch one's wings' or 'to stand with arms akimbo'.
See also: 翼を張る (つばさをはる)
鳥が翼を広げて空へ飛び立った。
The bird spread its wings and took off into the sky.
彼は海外に翼を広げて、新しい事業を始めた。
He spread his wings overseas and started a new business.