bacillary

adjective

ba·cil·la·ry ˈba-sə-ˌler-ē bə-ˈsi-lə-rē

variants or less commonly bacillar

bə-ˈsi-lər ˈba-sə-lər

: shaped like a rod

also : consisting of small rods

: of, relating to, or caused by bacilli

Word History

Etymology

Medieval Latin & New Latin bacillus

First Known Use

1814, in the meaning defined at sense 1

Time Traveler

The first known use of bacillary was in 1814

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Style

“Bacillary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacillary. Accessed 8 Jul. 2026.

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Medical Definition

bacillary

adjective

ba·cil·la·ry ˈbas-ə-ˌler-ē bə-ˈsil-ə-rē

variants also bacillar

bə-ˈsil-ər ˈbas-ə-lər

: shaped like a rod

also : consisting of small rods

: of, relating to, or caused by bacilli

bacillary meningitis

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