1) Item hinged to a gate 
• (n.) The post to which a gate or door is hinged. • (n.) The quoin post of a lock gate. • (n.) The post supporting the outer end of a propeller shaft.
Heel'post` noun 1. (Nautical) The post supporting the outer end of a propeller shaft. 2. (Carp.) The post to which a gate or door is hinged. 3. (Engineering) The quoin post of a lock gate.