the world > matter > light > artificial light > an artificial light > candle > [noun] > made from animal fat > made from rushes dipped in fat (5)
A rush; also, a rushlight.
The lighted pith of a rush used as a source of light; a rush candle.
A candle of little power made by dipping the pith of a rush in tallow or some other grease. Cf. rushlight, n. 1.
literal. = rush candle, n. 1.