A group of similar things or people positioned or occurring closely together
A fly which enters buildings in large numbers while looking for a place to overwinter
another term for guar.
A bomb which releases a number of projectiles on impact
another term for maritime pine.
A loose grouping of stars
A chord containing a number of closely adjacent notes
another term for note cluster.
A geographic area with a statistically higher than average occurrence of cancer among its residents
A type of severe headache in which the pain is usually limited to one side of the head, tending to recur over a period of several weeks
A large compact spherical star cluster, typically of old stars in the outer regions of a galaxy
(In the US) an attachment to a military decoration representing a twig with oak leaves and acorns, indicating distinguished action or a subsequent award of the same decoration
A disastrously mishandled situation or undertaking
A cluster of galaxies which themselves occur as clusters
A group of consonants pronounced in immediate succession, as str in strong
clusters of berries