Transom

• POS: Noun
• HYPHEN: tran=som

CIDE DICTIONARY

Transom, n. [Probably fr. L. transtrum a crossbeam, transom, from trans across. Cf. Trestle.].

•  A horizontal crossbar in a window, over a door, or between a door and a window above it. Transom is the horizontal, as mullion is the vertical, bar across an opening. See Illust. of Mullion.  [1913 Webster]
•  One of the principal transverse timbers of the stern, bolted to the sternpost and giving shape to the stern structure; -- called also transsummer.  [1913 Webster]
•  The piece of wood or iron connecting the cheeks of some gun carriages.  [1913 Webster]
•  The vane of a cross-staff.  Chambers.  [1913 Webster]
•  One of the crossbeams connecting the side frames of a truck with each other.  [1913 Webster]

Transom knees (Shipbuilding), knees bolted to the transoms and after timbers. -- Transom window. (Arch.) (a) A window divided horizontally by a transom or transoms. (b) A window over a door, with a transom between.

OXFORD DICTIONARY

Transom, n.
1 a horizontal bar of wood or stone across a window or the top of a door (cf. MULLION).
2 each of several beams fixed across the stern-post of a ship.
3 a beam across a saw-pit to support a log.
4 a strengthening crossbar.
5 US = transom window .

Idiom

transom window
1 a window divided by a transom.
2 a window placed above the transom of a door or larger window; a fanlight.

Derivative

transomed adj.

Etymology

ME traversayn, transyn, -ing, f. OF traversin f. traverse TRAVERSE

THESAURUS

Transom

air duct, air hole, air passage, air shaft, air tube, airway, bay, bay window, blowhole, bow window, breathing hole, casement, casement window, cross bitt, crossarm, crossbar, crosspiece, doubletree, fan window, fanlight, grille, lancet window, lantern, lattice, light, louver, louver window, louverwork, naris, nostril, oriel, pane, picture window, port, porthole, rose window, shaft, singletree, skylight, spilehole, spiracle, swingletree, touchhole, transept, transversal, transverse, traverse, vent, ventage, venthole, ventiduct, ventilating shaft, ventilator, whippletree, wicket, wind tunnel, window, window bay, window glass, windowpane

ROGET THESAURUS

Transom

Support

N support, ground, foundation, base, basis, terra firma, bearing, fulcrum, bait, caudex crib, point d'appui, pou sto, purchase footing, hold, locus standi, landing place, landing stage, stage, platform, block, rest, resting place, groundwork, substratum, riprap, sustentation, subvention, floor, supporter, aid, prop, stand, anvil, fulciment, cue rest, jigger, monkey, stay, shore, skid, rib, truss, bandage, sleeper, stirrup, stilts, shoe, sole, heel, splint, lap, bar, rod, boom, sprit, outrigger, ratlings, staff, stick, crutch, alpenstock, baton, staddle, bourdon, cowlstaff, lathi, mahlstick, post, pillar, shaft, thill, column, pilaster, pediment, pedicle, pedestal, plinth, shank, leg, socle, zocle, buttress, jamb, mullion, abutment, baluster, banister, stanchion, balustrade, headstone, upright, door post, jamb, door jamb, frame, framework, scaffold, skeleton, beam, rafter, girder, lintel, joist, travis, trave, corner stone, summer, transom, rung, round, step, sill, angle rafter, hip rafter, cantilever, modillion, crown post, king post, vertebra, columella, backbone, keystone, axle, axletree, axis, arch, mainstay, trunnion, pivot, rowlock, peg, tiebeam, thole pin, board, ledge, shelf, hob, bracket, trevet, trivet, arbor, rack, mantel, mantle piece, mantleshelf, slab, console, counter, dresser, flange, corbel, table, trestle, shoulder, perch, horse, easel, desk, clotheshorse, hatrack, retable, teapoy, seat, throne, dais, divan, musnud, chair, bench, form, stool, sofa, settee, stall, arm chair, easy chair, elbow chair, rocking chair, couch, fauteuil, woolsack, ottoman, settle, squab, bench, aparejo, faldstool, horn, long chair, long sleeve chair, morris chair, lamba chauki, lamba kursi, saddle, pannel, pillion, side saddle, pack saddle, pommel, bed, berth, pallet, tester, crib, cot, hammock, shakedown, trucklebed, cradle, litter, stretcher, bedstead, four poster, French bed, bunk, kip, palang, bedding, bichhona, mattress, paillasse, pillow, bolster, mat, rug, cushion, footstool, hassock, tabouret, tripod, monopod, Atlas, Persides, Atlantes, Caryatides, Hercules, supporting, supported, fundamental, dorsigerous, astride on, straddle.