thunderhead
[
thuhn
-der-hed]
/ˈθʌn dərˌhɛd/
noun
,
Meteorology
1.
incus
(def 2).
2.
cumulonimbus
.
3.
the upper portion of a cumulus cloud characterized by dense, sharply defined, cauliflowerlike upper parts and sometimes by great verticality.
Origin
1850-55,
Americanism;
thunder
+
head
Examples from the web for
thunderhead
They live under a dark cloud, a
thunderhead
that follows them from stadium to stadium.
British Dictionary definitions for
thunderhead
thunderhead
/
ˈθʌndəˌhɛd
/
noun
1.
(
mainly US & Canadian
) the anvil-shaped top of a cumulonimbus cloud
Word Origin and History for
thunderhead
n.
"high-piled cloud," 1861, from
thunder
(n.) +
head
(n.).