the world > space > place > placing or fact of being placed in (a) position > insertion or putting in > insert or put in [verb (transitive)] > forcibly > specifically the hand or a limb (3)
To thrust (one's hand, a limb, a weapon, etc.) into something. Also to thrust out, forth, up, etc.
To plunge (the hand or anything held) into. (A trans. variant of 3.)
transitive. To thrust or push (a stick, a finger, a foot, etc.) into something. In later use chiefly British regional.