Webster's 1828 Dictionary
CALAMBAC
n.Aloes-wood, xyloe-aloes, a drug, which is the product of a tree growing in China and some of the Indian isles. It is of a light spungy texture, very porous, and the pores so filled with a soft fragrant resin, that it may be indented by the fingers and chewed like mastich. It is also called tambac. The two coarser kinds are called lignum aloes, and calambour.
Webster's 1913 Dictionary
CALAMBAC
Cal "am *bac, n. Etym: [F. calambac, calambour, from Malay Kalambaq a king of fragrant wood. ] (Bot. )
Defn: A fragrant wood; agalloch.