Matrass

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  matrass \ma*trass"\, 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]



From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Bolthead \Bolt"head`\, n.
     1. (Chem.) A long, straight-necked, glass vessel for chemical
        distillations; -- called also a {matrass} or receiver.
        [1913 Webster]
  
     2. The head of a bolt.
        [1913 Webster]