thunderhead

noun thun·der·head \ -ˌhed \

Definition of thunderhead

: a rounded mass of cumulus or cumulonimbus cloud often appearing before a thunderstorm

Examples of thunderhead in a Sentence

  1. A thunderhead was forming to the west.

Recent Examples of thunderhead from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thunderhead.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thunderhead

1843


THUNDERHEAD Defined for English Language Learners

thunderhead

noun

Definition of thunderhead for English Language Learners

  • : a very large cloud appearing before a thunderstorm


THUNDERHEAD Defined for Kids

thunderhead

noun thun·der·head \ ˈthən-dər-ˌhed \

Definition of thunderhead for Students

: a rounded mass of dark cloud with white edges often appearing before a thunderstorm

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