Pýramis. n.s. A pyramid.
The form of a pyramis in flame, which we usually see, is merely by accident, and that the air about, by quenching the sides of the flame, crusheth it, and extenuateth it into that form, for of itself it would be round, and therefore smoke is in the figure of a pyramis reversed; for the air quencheth the flame, and receiveth the smoke. Bacon's Nat. Hist.