huǒlún
旋火輪之異名。回轉火作輪形者。此雖見輪形，然無輪之實體。以譬有為法之念念相續，雖見有種種之形，然無其實體也。楞伽經二曰：「譬如火輪非輪，愚夫輪想，非有智者。」
Whirling fire, e. g. fire whirled in a circle, the whole circle seeming to be on fire, emblem of illusion; a fire wheel.
alātacakra, a wheel of fire, produced by rapidly whirling a fire-brand, a symbol of the unreality of the visible, since such a wheel does not exist.
steamboat