from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The swollen upper portion of a thundercloud, usually associated with the development of a thunderstorm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The top portion of a cumulonimbus cloud, which tend to be flattened or fibery in appearance, and which may be indicative of thunderstorm activity.
from the GNU version of the Collaborative International Dictionary of English
- n. A rounded mass of cloud, with shining white edges; a cumulus, -- often appearing before a thunderstorm.
from The Century Dictionary and Cyclopedia
- n. One of the round compact swelling cumulus clouds which frequently develop into thunder-clouds.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm
Sorry, no etymologies found.
At his feet swept the broad and noble river, reflecting on its surface the snowy masses of "thunderhead" clouds, around which the lightning still played, and which, transfigured and glorified in the light of the setting sun, seemed to the poetic imagination of the young man like the City of God descending out of heaven, with its streets of gold and foundations of precious stones, while the rainbow that spanned the heavens seemed like the rainbow of the Apocalypse round about the throne of God.
I looked back to shore and saw we now had this enormous slate-gray thunderhead approaching us.
I tracked a deer last week shot with a 100gn thunderhead.
I released at 35 yds and my thunderhead decapitated the bird.
Out of that thunderhead of swinging steel, an axe dived down to shear away the bark from one edge of the bole.
Beheaded one with a 3 blade thunderhead and the other was hit center back with Wasp Jackhammer (that is the one with 5 beards).
I was a die hard thunderhead guy, these blow major holes.
For many Republicans, the bright, golden haze of Election Day is marred by a thunderhead on the horizon -- the increasingly erratic political interventions of Sarah Palin.
Our first stop out there was near sunset, with a giant thunderhead rolling right past the museum in the sky.
I no more created myself than the thunderhead before me or the mountain with which it collided.