1. (n.) A room or apartment where a show is exhibited.

2. (n.) A room where merchandise is exposed for sale, or where samples are displayed.

British Museum Guggenheim Museum Hermitage Louvre Metropolitan Museum National Gallery Prado Rijksmuseum Tate Gallery Texas tower Uffizi abri access aisle alley ambulatory amphitheater aperture approach trench arcade areaway arena art gallery artery assembly hall atelier audience auditorium auditory avenue balcony band beacon bed bedding belt belvedere bleachers box box seat breezeway bridge bunker catafalque channel chapel cloister colonnade communication communication trench concert hall conduit congregation connection conning tower convention hall corridor couche countermine coupure course covered way curatorship dais dance hall deck defile display room ditch double sap dress circle dugout emplacement entrenchment estrade exhibition hall exhibition room exit fauteuil ferry fire trench floor flying sap ford fortified tunnel fosse foxhole gazebo grandstand groundling hall hallway heliport house hustings inlet interchange intersection junction lanai landing landing pad landing stage lane launching pad layer lecture hall ledge level lighthouse loge loggia lookout loophole measures meetinghouse mine moat museology museum music hall observation post observatory opening opera house orchestra orchestra circle outlet outlook overlayer overlook overpass overstory paradise parallel parquet parquet circle parterre pass passage passageway patio peanut gallery peephole pergola peristyle pharos piazza picture gallery pinacotheca pit platform podium porch portico proscenium boxes pulpit railroad tunnel ringside ringside seat rostrum salon sap seam shelf showroom sighthole sleeping porch slit trench soapbox solarium spectator stadium stage stall standing room step step terrace stoop story stratum studio stump substratum sun porch superstratum terrace theater theatre stall thickness tier top gallery topsoil tower traject trajet trench tribunal tribune tunnel underlayer underpass understory understratum veranda watchtower zone