Brown Driver Briggs

 n m
1. load, bearing, tribute, burden, lifting
  1) load, burden
  2) lifting, uplifting, that to which the soul lifts itself up
  3) bearing, carrying
  4) tribute, that which is carried or brought or borne
2. utterance, oracle, burden
n pr m (BDB)
Massa = "burden"
3. a son of Ishmael