[], (Noun)

Definitions:
- A silvery carangid game fish, Selene vomer, found in the western Atlantic, having the eyes set high in a deep head.


Phrases:

Origin:
late 18th century (in an earlier sense). From look + down, after to look down

[], (Adjective)

Definitions:
- Designating an airborne or satellite radar system designed to distinguish the radar signal of an airborne body situated between it and the ground from those returned by the ground terrain; relating to or involving such radar.


Phrases:

Origin:
late 18th century (in an earlier sense). From look + down, after to look down