orb (6 is derived from 2)
1.
circle
MND. II. i. 9
“her orbs upon the
green”
(=fairy rings).
2.
(in old astronomy)
each of the concentric spheres which carry the
planets and stars with them in their revolutions
Ado IV. i. 57
“as Dian”
(=the moon) “in her
orb,”
Rom. II. ii. 110
“the moon . . . That
monthly changes in her circled
orb,”
Ant. III. xi. [xiii.] 146 “my
good stars . . . Have empty left their
orbs.”
3.
globe
Compl. 289
“orb of one particular
tear.”
6.
sphere of action
1H4 V. i. 17,
Per. I. ii. 122
“in our orbs we'll live
so round and safe.”