bot·u·li·nus \ˌbächəˈlīnəs, attrib | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷\noun alsobot·u·li·num\-nəm\ (pluralbotulinusesalsobotulinums) Usage:often attributive Etymology:botulinus from New Latin, from Latin botulus + -inus -ine; botulinum from New Latin, neuter of botulinus : a bacterium (Clostridium botulinum) that causes botulism — compare botulin