belly out
Fortgeschritten (C1) neutral
When something puffs out and gets round and big in the middle, like a balloon being blown up.
"The yacht's mainsail bellied out as the wind picked up across the bay."
When something puffs out and gets round and big in the middle, like a balloon being blown up.
"The yacht's mainsail bellied out as the wind picked up across the bay."
