arch:
adj..
chief, prime,
principal, pre-eminent
R3 IV. iii. 2
“The most arch deed of
piteous massacre,”
H8 III. ii. 103; 3H6 II. ii. 2 (“arch-enemy”), Oth. IV. i. 71 (“archmock”), Meas. V. i. 57 (“arch-villain”).
sb..
2chief, master
Lr. II. i. 61
“My worthy arch and
patron.”
