Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A genus of dipterous insects whose young (called rat-tailedlarvæ) are remarkable for their long tapering tail, which spiraclesat the tip, and for their ability to live in very impure and saltwaters; -- also called drone fly.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
