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Webster 1913 Edition

Noun.

A thin balsam or wood oil derived from the

Diptcrocarpus lævis

, an East Indian tree. It is used in medicine, and as a substitute for linseed oil in the coarser kinds of paint.

gurjun ‎(plural gurjuns)

A major commercial timber species in the genus Dipterocarpus.
A thin balsam or wood oil derived from this tree, used in medicine and as a substitute for linseed oil in paint.

any tree in the genus Dipterocarpus

a thin balsam or wood oil derived from the gurjun tree