Definitions:
an unbranched evergreen tree of tropical and warm regions, with a crown of very long feathered or fan-shaped leaves, and typically having old leaf scars forming a regular pattern on the trunk.

the inner surface of the hand between the wrist and fingers

the palmate part of a deer's antler.

conceal (a small object) in the hand, especially as part of a trick or theft

(of a goalkeeper) deflect (the ball) with the palm of the hand