Source : WordNet®

clostridia
     See {clostridium}

clostridia
     n : spindle-shaped bacterial cell especially one swollen at the
         center by an endospore [syn: {clostridium}]

clostridium
     n : spindle-shaped bacterial cell especially one swollen at the
         center by an endospore [syn: {clostridia}]
     [also: {clostridia} (pl)]