幺

surname Yao

youngest / most junior / tiny / one (unambiguous spoken form when spelling out numbers, esp. on telephone or in military) / one or ace on dice or dominoes / variant of 吆[yao1], to shout

old variant of 某[mou3]

old variant of 私[si1]

youngest

insignificant wretch

pair of aces (in dominoes) / double one

one-two or ace-deuce (smallest throw at dice) / a prostitute

idemfactor (math.)

ace