from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The forwardmost, usually separable section of a rocket or guided missile that is shaped to offer minimum aerodynamic resistance and often bears protective cladding against heat.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The forwardmost part of an aircraft, rocket or missile; it is shaped to minimise aerodynamic resistance
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. front consisting of the conical head of a missile or rocket that protects the payload from heat during its passage through the atmosphere
Sorry, no etymologies found.
We wouldn’t know it until we were in space but the right SRB had already placed us in mortal danger…not because of an O-ring failure but because the very tip of its nose cone had broken off and hitAtlantis.