(idiomatic, humorous, derogatory) line up (of two or more people)

everybody; all members

goose's neck, something resembling a goose's neck / (anatomy) corona (circumference of the base of the glans penis in human males)

bowl (part of a pipe) / (humorous, derogatory) human neck or head

(dialect, Hakata) teacher, professor

an elder / a scholar / a teacher or a professor / sensei (Japanese martial arts teacher) / sir, a polite form of address to teachers, doctors, etc.

a title used after the name of teachers, doctors, lawyers, or certain other professionals

gather, collect / put in order

to hear, to listen / to obey / to ask a question / to smell, sniff

potential of 揃う (sorou)