A male noble ranking below a monarch, sometimes ruling a duchy.

• The male holder of a dukedom or ducal title.

男性贵族头衔，级别在君主之下，有时统治公国。

• 公爵头衔或公国的男性持有者。

Slang, usually plural dukes: a fist used for fighting.

俚语，常用复数 dukes：拳头，用于打架。

Informal: to fight with the fists; to slug.

• Often in duke it out: to settle a conflict by fighting.

口语：用拳头打架；挥拳相斗。

• 常见于短语 duke it out：以拳斗解决争端。

Any of several Asian brush-footed butterflies called dukes.

几种亚洲产蛱蝶科蝴蝶，在英语中称为 duke。