tuck
v. B1 Intermediate US //ˈtək// UK //tˈʌk// tuck
v. to push something into a small or tight space so it stays there. You often tuck your arms in to keep warm or tuck a letter into an envelope.
v. to place or arrange something securely within a confined space or fold. Transitive; commonly used with prepositions like 'in', 'under', or 'away'.
She tucked the letter into her pocket.
He tucked the blanket around his shoulders to stay warm during the cold night.
The child tucked herself under the heavy duvet, pulling the fabric tight around her chin to block out the draft from the window.
Usage
The verb is transitive and typically takes a direct object followed by a prepositional phrase indicating location.