penal

形容词 penal:

1. of or relating to punishment
2. serving as or designed to impose punishment
3. subject to punishment by law
   同义词：punishable

1. Deportation to a penal colony.
   流放放逐到一个流刑地

pe.nal

adj.（形容词）
Of, relating to, or prescribing punishment, as for breaking the law.
属于、有关或规定由于违法处于刑罚的
Subject to punishment; legally punishable:
应受处罚的；按法律该受刑罚的：
例句：
a penal offense.
刑事罪

Serving as or constituting a means or place of punishment:
作为处罚或刑罚的方式或地点的：
例句：
penal servitude; a penal colony.
服苦役；监禁地

来源：
Middle English
中古英语
from Old French peinal
源自 古法语 peinal
and from Medieval Latin pôn3lis
并源自 中世纪拉丁语 pôn3lis
both from Latin poen3lis
都源自 拉丁语 poen3lis
from poena [penalty]
源自 poena [惩罚]
from Greek poinô * see k wei-
源自 希腊语 poinô *参见 k wei-

【引伸】
pe.nally
adv.（副词）