tuck in

Meanings

1. To pull the blankets or duvet up over (someone in bed); to put (someone) to bed.
2. To pull the blankets or duvet up over oneself; to get in bed.
3. To push (the fabric at the bottom of a shirt) under the pants.
4. To acquire something tiny
5. To score from with a casual motion
6. To place in a small space.

1. To eat heartily.

Etymology

See tuck (1).