topmast

The mast below the topgallant mast in a square-rigged ship and highest in a fore-and-aft-rigged ship.

Nautical, the second mast from the deck, or that which is next, above the lower mast—main, fore, or mizzen.

The second mast, or that which is next above the lower mast, and below the topgallant mast.

The highest mast in a fore-and-aft-rigged ship.

The mast below the topgallant mast in a square-rigged ship.

the mast next above a lower mast and topmost in a fore-and-aft rig