penicillus
noun
pen·i·cil·lus
ˌpen-ə-ˈsil-əs
plural penicilli
-ˌī
1
: one of the small straight arteries of the red pulp of the spleen
2
: the branching penicillate conidiophore in fungi of various genera (as Penicillium)
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Merriam-Webster unabridged
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