the head of the cabinet in France or Italy or certain other countries; first minister; prime minister.
2.
a chief officer.
–adjective
3.
first in rank; chief; leading.
4.
first in time; earliest; oldest.
Origin: 1400–50; late ME primer, primier, premer (adj.) < AF primer, premer and MF premier, primier lit., first < L prīmārius of the first rank; see primary