To help.
To make a pass that leads directly towards scoring.
To help compensate for what is missing with the help of a medical technique or therapy.
A decisive pass made to the goal scorer
A helpful action or an act of giving.
A defensive play, allowing a teammate to record a putout.
To betray or go back on.
To cross twice in hybridization, as (A × B) × (C × D); for example, in commercial hybrid seed corn, A through D are classically inbreds, and their grandoffspring is the seed for sale.