Horizontal bar and Trabecula

Horizontal bar noun - Gymnastic apparatus consisting of a bar supported in a horizontal position by uprights at both ends.

Trabecula and horizontal bar are semantically related. In some cases you can replace term "Trabecula" with "Horizontal bar", this terms are similar.

Trabecula noun - Rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen).

Horizontal bar and trabecula are semantically related. You can use "Horizontal bar" instead a noun "Trabecula".