a male given name

a male given name

(astronomy) open cluster

(astronomy) globular cluster

first, initial / one-eyed

(Chinese astronomy) the Hairy Head constellation, one of the Twenty-Eight Mansions, corresponds to the Pleiades in English.

to know only one aspect of a thing

one-eyed goblin, a Japanese monster

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds