The Collaborative International Dictionary of English v.0.48:

Nomad \Nom"ad\, n. [L. nomas, -adis, Gr. ?, ?, pasturing,
   roaming without fixed home, fr. ? a pasture, allotted abode,
   fr. ? to distribute, allot, drive to pasture; prob. akin to
   AS. niman to take, and E. nimble: cf. F. nomade. Cf.
   Astronomy, Economy, Nimble, Nemesis, Numb,
   Number.]
   One of a race or tribe that has no fixed location, but
   wanders from place to place in search of pasture or game.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nomad \Nom"ad\, a.
   Roving; nomadic.
   [1913 Webster]

WordNet (r) 3.0 (2006):

nomad
    n 1: a member of a people who have no permanent home but move
         about according to the seasons

The Free On-line Dictionary of Computing (19 January 2023):

NOMAD

    A database language.

   Version: NOMAD2 from Must Software International.

   ["NOMAD Reference Manual", Form 1004, National CSS Inc, Dec
   1976].

   (1995-04-01)