1. swelling outward; bulging
Usage: present participle of belly

1. having a swollen or bulging appearance

Examples

• The sails were bellying out in the strong wind.
• The bellying clouds promised rain later in the day.
• She watched the curtains bellying inward from the breeze.
• The bellying walls of the old building needed repair.
• The flag was bellying proudly in the morning air.
• His shirt was bellying out as he ran against the wind.