from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rocket used to make observations anywhere within the earth's atmosphere.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a suborbital rocket used to launch upper atmosphere, exoatmospheric, and microgravity sondes or probes
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a research rocket used to obtain information about the atmosphere at various altitudes
Sorry, no etymologies found.