(adv,n) first
foremost
number one
(P)
(n) first place
(n) Lesson one
(n) (1) first time
(adj-no) (2) first
initial
(n) volume 1
first volume
(n) first principle
original or greatest import
(P)
(n) the first ...
primary
(n) first series
(n) first series
(n) chapter one
first chapter
(n) first article
(n) first hearing
(n) first tone
first speech
(P)
(n) the front (of a battlefield)
forefront
(P)
(n) first step
(P)
(n) first-class
(n) safety first
(n) at the very beginning of a book
The book opens with ...
(n) first impression
(n) first movement (mus)
(n) first knuckle joint
(n,adj-na) basic
primary
fundamental
(n) first language
(n) leading person
(P)
(n) (ling) first person
(n) first philosophy
(n) assistant chief of staff, g1
(n) first act (play, ballet, opera, etc.)
(n,adj-no) the best in the land
the best of its kind in the country
par excellence in the whole country
(n,adj-no) the greatest of the day