Dictionary

A seat across a boat on which a rower may sit.

Example: The fisherman sat on the aft thwart to row.

A brace, perpendicular to the keel, that helps maintain the beam of a marine vessel against external water pressure and that may serve to support the rail.

Example: A well-made dugout canoe rarely needs a thwart.

An act of thwarting; something which thwarts; a hindrance, an obstacle.

To cause to fail; to frustrate, to prevent.

Example: Our plans for a picnic were thwarted by the thunderstorm.

To place (something) across (another thing); to position crosswise.

To hinder or obstruct by placing (something) in the way of; to block, to impede, to oppose.

To move (something) across or counter to; to cross.

Example: An arrow thwarts the air.