The term 'pluckable' is defined by the crossword solution 'RIPE, ' which means that something is ready to be picked or harvested. It is often used to describe fruit, vegetables, and other produce that has reached its peak of ripeness and is ready to be eaten or used. The term can also be used to describe other things that are ready to be taken or removed, such as a flower that is ready to be plucked from the ground.