stick one's head into / (idiomatic) pry, stick one's nose into

Shuri (a city in Okinawa Prefecture, Japan) / (historical) Shuri (the capital of the Ryūkyū Kingdom)

the famous of the “one hundred poems by one hundred poets” anthologies, compiled by Fujiwara no Teika in c. 1235, used in the basis of certain card games

(rare) the first day of the month

once; one time

first, foremost, number one

one person / singleness, singularity / one's own efforts or strengths / an unmarried person, single

one defeat

all at once

one person