(historical) alternative form of ランプ: a western-style oil lamp / (historical) alternative form of ランプ: more generally, lighting, illumination, a lamp

enter

building, structure, construction, edifice

wheelchair

easy / simple, uncomplicated / brief, light, short

ease / simplicity / lightness, brevity

to use / to employ / to make use of, to apply / to spend

(chiefly in mathematics, physics) for simplicity; for the sake of simplicity

a lamp, especially a western-style oil lamp

a ramp (inclined surface) / Clipping of ランプウェー (ranpuwē, “rampway”).