gibbous

gibbous \ GIB-uhs \  , adjective;
1. Astronomy.  (of a heavenly body) convex at both edges, as the moon when more than half full.
2. humpbacked


A humpbacked moon does turn 
its back on us at night, huddles 
its shoulders. a dull shade and a grin, 
while he hides the bright bulb.
What the sun must think of him: 
a lover no longer known. She shines 
because there is nothing else to do, 
nothing else for it. Were they not
always doomed? For instance, 
it is always the moon with you. 
And river water. And the eyes 
of street lamps and so many stars.