bolo

from WordNet (r) 3.0 (2006)

bolo
    n 1: a cord fastened around the neck with an ornamental clasp
         and worn as a necktie [syn: {bolo tie}, {bolo}, {bola tie},
         {bola}]
    2: long heavy knife with a single edge; of Philippine origin
       [syn: {bolo}, {bolo knife}]

from The Collaborative International Dictionary of English v.0.48

Bolo \Bo"lo\, n. [Sp.]
   A kind of large knife resembling a machete. [Phil. Islands]
   [Webster 1913 Suppl.]