Definitions

1. noun

a small fastener with a round or oval head and a hole in the center, used to hold things together.

“The button on my shirt came loose, so I had to sew it back on.”

2. verb

to fasten or secure with a button.

“Please button up your coat before we go out.”

3. interjection

an exclamation used to get attention.

“Button! I need help over here!”