Term: thunderhead: a rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm
Broader: cumulus: a globular cloud | Unrelated: padda: a genus of Ploceidae
Broader: cumulus: a globular cloud | Unrelated: welterweight: a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase)
Broader: cumulus: a globular cloud | Unrelated: nautilus: a submarine that is propelled by nuclear power
Broader: cumulus: a globular cloud | Unrelated: building permit: a document authorizing the holder to construct a building of a particular kind on a particular lot
Broader: cumulus: a globular cloud | Unrelated: gimmickry: a collection of gimmicks
Broader: cumulus: a globular cloud | Unrelated: labium: a liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)
Broader: cumulus: a globular cloud | Unrelated: exponential: a function in which an independent variable appears as an exponent
Broader: cumulus: a globular cloud | Unrelated: own goal: (soccer) a goal that results when a player inadvertently knocks the ball into the goal he is defending
Broader: cumulus: a globular cloud | Unrelated: publishing conglomerate: a conglomerate of publishing companies
Broader: cumulus: a globular cloud | Unrelated: mother tongue: one's native language; the language learned by children and passed from one generation to the next