Littlerock

shamrock

automatic locking

(law) lockdown (confinement of people as a security measure)

入掛: suspension (said of performances, matches, etc.)

掛け時計: wall clock, a clock mounted on a wall, pillar, or pole

Alternative spelling of 読み掛ける

shout; call / rhythmic chants: (idol fandom) fanchant; etc.

to call someone over the telephone

to lock (a door, etc.) / (Internet slang) (of a SNS account) to change privacy setting to limited people and posts and/or profiles can be seen by limited people.