1. past tense of cuckoo; made the sound of a cuckoo bird
2. past tense of cuckoo; announced the time by making cuckoo sounds (as a cuckoo clock)

Examples

• The bird cuckooed from the tall oak tree.
• The old clock cuckooed twelve times at midnight.
• A cuckoo cuckooed somewhere in the forest.
• The antique clock cuckooed every hour on the hour.
• We heard a bird that cuckooed repeatedly at dawn.
• The wooden clock cuckooed three times to mark the hour.