Crossover

The movement of one oar handle over the other during the drive and recovery in sculling.

Deck

The areas outside the cockpit of a boat, usually referred to as the bow deck and the stern deck.

Dive

A tendency to try to lean forward, usually in an effort to get extra reach, at the catch. This sinks the shell into the water by transferring weight abruptly into the stern.

Double (2x) 

A double scull, or two person sculling shell.

Drive

That part of the rowing cycle when the rower applies power to the oar (blade is in the water). This is a more (or less) blended sequence of applying power primarily with a leg drive, then the back and finally the arms.

Engine Room

The middle seats in a shell that are usually occupied by the biggest and strongest rowers.

Feather

The act of turning the oar blade from a position perpendicular to the surface of the water to a position parallel to the water. This is done in conjunction with the finish.

Fin (or Skeg) 

The small piece of metal or plastic attached to the bottom of the boat to help it keep a straight course through the water. 

Finish (or Release)

The last part of the stroke where the blade is removed from the water. A sharp downward (and away) motion of the hand which serves to remove the oar blade from the water and start the rowing cycle. 

Footstretcher (or stretcher)

An adjustable bracket in a shell to which the rower's feet are secured in some sort of shoe or clog. 

Frontstops

The stops at the stern end of the tracks.

Gate

The small bar that closes the top of the oarlock to prevent the oar from coming out.