Definitions

1. verb

used to express possibility or ability

“She could speak fluently in three languages.”

2. verb

used to express present or future ability

“He could run faster than anyone in the school.”

3. verb

used to express past ability or possibility

“She could have gone to the party, but she chose not to.”

4. auxiliary verb

used to express ability or possibility with main verbs

“I could have gone, but I decided not to.”

5. noun

a cloud or a cloudy appearance

“The coud hung low over the valley.”

6. verb (archaic)

to cloud or darken

“The sky coulded over during the storm.”