n. [ F. matras; perh. so called from its long narrow neck; cf. OF. matras large arrow, L. materis, mataris, matara, a Celtic javelin, pike; of Celtic origin. ] (Chem.) A round-bottomed glass flask having a long neck; a bolthead. [ 1913 Webster ]
A thin, elastic, uniformly light-colored tobacco leaf, raised in Sumatra and extensively used for cigar wrappers. [ Webster 1913 Suppl. ]
a. Of or pertaining to Sumatra or its inhabitants. --