名詞 nomad:

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

1. The nomads have no habitation.
   游牧者沒有定居處。
2. Most of the nomads live in grassland and have no fixed home.
   游牧部落的大多人都生活在草原上并且居無定所。

no.mad

n.（名詞）
A member of a group of people who have no fixed home and move according to the seasons from place to place in search of food, water, and grazing land.
游牧部落一員：一群沒有固定的家并隨季節(jié)變換到處移動尋找食物、水和牧場的人中的一員
A person with no fixed residence who roams about; a wanderer.
流浪者

來源：
French nomade
法語 nomade
from Latin nomas nomad-
源自 拉丁語 nomas nomad-
from Greek nomas [wandering in search of pasture] * see nem-
源自 希臘語 nomas [尋找牧場而飄泊的] *參見 nem-

【引伸】
nomad.ic
adj.（形容詞）
nomad.ically
adv.（副詞）
no.mad.ism
n.（名詞）