'Tucum' definitions:

Definition of 'Tucum'

From: GCIDE

Tucum \Tu"cum\, n. [So called by the Indians of Brazil.] A fine, strong fiber obtained from the young leaves of a Brazilian palm (Astrocaryum vulgare), used for cordage, bowstrings, etc.; also, the plant yielding this fiber. Called also tecum, and tecum fiber. [1913 Webster]