English Dictionary

foo

/fuː/

noun

(programming) A metasyntactic variable used to represent an unspecified entity. If part of a series of such entities, it is often the first in the series, and followed immediately by bar.

The foo is on the table.

意味（1）

(programming) A metasyntactic variable used to represent an unspecified entity. If part of a series of such entities, it is often the first in the series, and followed immediately by bar.

Suppose we have two objects, foo and bar.

意味（2）

(fandom slang) Alternative letter-case form of Foo (“placeholder god”)