IPA: /bæˈsɪlər/
KK: /bæˈsɪlər/
Relating to a type of bacteria that are rod-shaped or produced by such bacteria.
The bacillar structure of the bacteria was observed under the microscope.
Bacillar → It is formed from "bacillus" (from Latin, meaning a small rod or staff) and the suffix "-ar" (indicating relating to or resembling). The word "bacillar" refers to something that is rod-shaped or related to bacilli, which are rod-shaped bacteria.
Think of 'bacillus' meaning a small rod, and remember that 'bacillar' describes something that is rod-shaped or related to these small rods.