一号

Traditional form:

一號

Pinyin (reading):

yīhào

Definitions:

• first day of the month
• toilet
• (slang) top (in a homosexual relationship)

Characters:

• 一 - one; a, an; alone
• 号 - mark, sign; symbol; number; to call, to cry, to roar

Traditional characters:

• 一 - one; a, an; alone
• 號 - mark, sign; symbol; number; to call, to cry, to roar