mass
noun
a body of coherent matter, usually of indefinite shape and often of considerable size.
massing
-
present participleof mass.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tankers are already massing outside the Strait to fill up.
From MarketWatch ● Jun. 18, 2026
"During other periods of adverse weather the vessels returned to port, rather than massing offshore in these kinds of formations."
From Barron's ● Mar. 13, 2026
One day in December, Nat notices gulls, crows, starlings and wrens massing menacingly overhead.
From The Wall Street Journal ● Oct. 24, 2025
Video posted to social media showed crowds massing at the Sheikh Radwan Cemetery for the journalists’ funeral.
From Los Angeles Times ● Aug. 11, 2025
“His men have seen fires in the mountains on the far side of the Gorge. Wildlings massing, Ser Denys believes. He thinks they are going to try to force the Bridge of Skulls again.”
From "A Dance with Dragons" by George R. R. Martin
