Meanings

founding member (of a music group, etc.)

first translation

first appointment (to a post)

first publication

first and last (time, chance, etc.)

first train (of the day)

at first

traditional toy rattle drum from Kagoshima

from beginning to end

initial costs

(for the) first time this year

first in history

first kiss

first trial

elementary geometry

base fare (for a train, bus, etc.)

learning something new

earliest stage

to make light of

start of a period (esp. financial)