THESAURUS
mast
advocate, alpenstock, antenna tower, arm, athletic supporter, back, backbone, backing, bandeau, barbican, bare pole, bearer, belfry, bell tower, boom, bowsprit, bra, brace, bracer, bracket, brassiere, bumpkin, buttress, campanile, cane, carrier, cervix, club, colossus, column, corset, crook, crossjack yard, crosstree, crutch, cupola, derrick, dolphin striker, dome, fire tower, flying jib boom, fore jack, fore-skysail
mast, fore-skysail yard, fore-topgallant
mast, fore-topgallant yard, fore-topmast, foremast, foreroyal
mast, foreroyal yard, foreyard, foundation garment, fulcrum, gaff, girdle, gooseneck, guy, guywire, jack, jib boom, jock, jockstrap, king post, lantern, lazy jack, lighthouse, lower boom, main-royal
mast, main-royal yard, main-skysail
mast, main-topgallant
mast, mainmast, mainstay, maintainer, martello, martello tower, masthead, minaret, mizzen, mizzen-royal
mast, mizzenmast, monument, neck, obelisk, observation tower, pagoda, pilaster, pillar, pinnacle, pole, prop, pylon, pyramid, reinforce, reinforcement, reinforcer, rest, resting place, rigging, shaft, shoulder, shroud, skysail yard, skyscraper, spanker boom, spanker gaff, spar, spars, spine, spire, spreader, sprit, staff, standing rigging, standpipe, stave, stay, steeple, stick, stiffener, strengthener, stupa, support, supporter, sustainer, tack bumpkin, television
mast, timber, tope, topgallant
mast, topgallant yard, topmast, tour, tower, tree, turret, upholder, walking stick, water tower, whisker boom, whisker pole, windmill tower, yard, yardarm