Comets

Small bodies composed of ice and rock in various orbits about the sun.

Comets

are relatively small, icy bodies that display extended features when they approach the Sun. The energy from the Sun vaporizes volatiles on a comet's surface, producing a visible coma around the cometary body. Sometimes a comet can produce a long tail radiating away from the Sun.
Found on http://en.wikipedia.org/wiki/Glossary_of_astronomy

COMETS

(Communications and Broadcasting Experimental Test Satellite) A Japanese communications satellite launched by NASDA (National Space Development Agency); it is also known by the national name Kakehashi (“bridge”). COMETS carries Ka-band communications and intersatellite data rela...
Found on http://www.daviddarling.info/encyclopedia/C/COMETS.html

COMETS

Commissioner`s Office METS (Civil Staff Sports & Social Association)
Found on http://www.met.police.uk/foi/glossary.htm
No exact match found