first

Entry Definition
first, at first
first, first one; (baseball) first batter, first base
s/he, it is first, is the first one; (competitor) s/he comes in first; (baseball) s/he plays first base
it is the first day of the month
h/ first name is ...
s/he starts to call h/ by a name; s/he gives h/ a first name
s/he speaks first (before others)
s/he is always trying to be first, to be at head of line, etc.
first (indicating priority of action)
from the first time; ever since
(in time sequence) first