WordNet sense 1 (the occurrence of a sudden discharge (as of liquid)):

spurt, squirt, spirt

WordNet sense 2 (street names for ketamine):

green, k, cat valium, honey oil, special K, super acid, super C

WordNet sense 3 (an airplane powered by one or more jet engines):

jet plane, jet-propelled plane

WordNet sense 4 (an artificially produced flow of water):

fountain

WordNet sense 5 (issue in a jet; come out in a jet; stream or spring forth):

gush

WordNet sense 6 (of the blackest black; similar to the color of jet or coal):

jet-black, sooty, coal-black, pitchy

WordNet sense 7 (having no hue):

achromatic