WordWeight : Weighing the Words

Pronunciation : Com*bust"
Part of Speech : a.
Etymology : [L. combustus, p. p. of comburere to burn up; com- + burere (only in comp.), of uncertian origin; cf. bustum fineral pyre, prurire to itch, pruna a live coal, Gr. plush to burn.]
Definition : 1. Burnt; consumed. [Obs.] Chaucer.

2. (Astron.)

Defn: So near the sun as to be obscured or eclipsed by his light, as the moon or planets when not more than eight degrees and a half from the sun. [Obs.] Planets that are oft combust. Milton.
Source : Webster's Unabridged Dictionary, 1913