1strong, closely woven fabric used for making items such as straps and belts, and for supporting the seats of upholstered chairs: [as modifier]:webbing straps
the system of belts, pouches, and straps worn by a soldier as part of his combat uniform.
2the part of a baseball glove between the thumb and forefinger:just when the ball is about to go past him, he leaps up and snags it in the webbing of his glove
webbing in other Oxford dictionaries
Definition of webbing in the US English dictionary