as·​per·​gil·​lum | \ ˌa-spər-ˈji-ləm How to pronounce aspergillum (audio) \
plural aspergilla\ ˌa-​spər-​ˈji-​lə How to pronounce aspergillum (audio) \ or aspergillums

Definition of aspergillum

: a brush or small perforated container with a handle that is used for sprinkling holy water in a liturgical service

Illustration of aspergillum

Illustration of aspergillum

Examples of aspergillum in a Sentence

Recent Examples on the Web Harvard University researchers hoping to build stronger and lighter structures looked for inspiration in the deep-water sponge Euplectella aspergillum, whose tubelike skeleton forms a square grid with diagonal reinforcements. Sarah Lewin Frasier, Scientific American, 30 Oct. 2020

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

First Known Use of aspergillum

1649, in the meaning defined above

History and Etymology for aspergillum

New Latin, from Latin aspergere

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Time Traveler for aspergillum

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The first known use of aspergillum was in 1649

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Cite this Entry

“Aspergillum.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2021.

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