lantern UK /ˈlæntən/US /ˈlæ̝ntɚn/noun 10adjective 1verb 1forms 3 noun10 •A case of translucent or transparent material made to protect a flame, or light, used to illuminate its surroundings. •Especially, a metal casing with lens used to illuminate a stage (e.g. spotlight, floodlight). •A light formerly used as a signal by a railway guard or conductor at night. •An open structure of light material set upon a roof, to give light and air to the interior.The station also boasts a large semi-domed French pavilion roof with fish-scale tiles and iron cresting, plus a rectangular hall with arcaded upper storey and wooden lantern. — 2022 •A cage or open chamber of rich architecture, open below into the building or tower which it crowns. •A smaller and secondary cupola crowning a larger one, for ornament, or to admit light. •Aristotle's lantern •A lantern pinion or trundle wheel. •A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc.; a lantern brass. •A perforated barrel to form a core upon. adjective1 •Of a facial feature, large and squarish in shape as an old-fashioned lantern.A youngish looking man came up to him, and aggressive-looking type with a hook mouth, a lantern nose, and small beady little cheekbones. — 1982 verb1 •To furnish with a lantern. formslanterned · lanterning · lanterns