the most massive part of the club at the bottom end (opposite the grip or handle) of the shaft. The front of the clubhead ideally makes contact with the ball (see "clubface"). Example: Some modern day drivers have huge clubheads.

(golf) the head of the club which strikes the ball

The portion of the golf club that makes contact with the ball.

This is quickly becoming a non-issue since almost the entire market now consist of investment cast, perimeter-weighted, cavity back designs. Forged irons have virtually disappeared from the market place.