from
The Collaborative International Dictionary of English v.0.48
Caldron \Cal"dron\ (k[add]l"dr[u^]n), n. [OE. caldron, caudron,
caudroun, OF. caudron, chauderon, F. chaudron, an aug. of F.
chaudi[`e]re, LL. caldaria, fr. L. caldarius suitable for
warming, fr. caldus, calidus, warm, fr. calere to be warm;
cf. Skr. [,c]r[=a] to boil. Cf. {Chaldron}, {Calaric},
{Caudle}.]
A large kettle or boiler of copper, brass, or iron. [Written
also {cauldron}.] "Caldrons of boiling oil." --Prescott.
[1913 Webster]