Definitionen
1.VerbTo pull the blankets or duvet up over (someone in bed); to put (someone) to bed."She tucked in her young son and turned out the light."
2.VerbTo pull the blankets or duvet up over oneself; to get in bed.
3.VerbTo push (the fabric at the bottom of a shirt) under the pants.
4.VerbTo acquire something tiny
5.VerbTo score from with a casual motion
6.VerbTo place in a small space.""Tuck it in that corner.""
7.VerbTo eat heartily."Tuck in, before the food goes cold."