Palming p. pr. & vb. n. : of Palm

Example:
What is the difference between Palming the ball and gripping the ball in water polo?

Taxonomy
card, coin, palm grip, ring fingers, thumb, playing cards, free encyclopedia, top card, edge, achieved, Card magic, dollar coin, deck, pressure, Cop, Coin magic, lateral pressure, long edge.

Defination from the web:
palming differ depending on the object intended to be concealed. The most commonly concealed objects by close-up magicians are coins and playing cards. ... The Classic Palm is most often used for removing the top or bottom card from a deck or packet of cards. ...