jet1
noun
1 a jet of water went down his neck:
stream, spurt, squirt, spray, fountain, spout;
gush, outpouring, rush, surge, burst, spill, flow, flood, cascade, torrent, current.
2 the carburetor jets can get clogged:
nozzle, head, spray, rose, atomizer, sprinkler, sprinkler head, spout, nose;
technical sparkler, spile.