Source : Webster's Revised Unabridged Dictionary (1913)

Bacilliform \Ba*cil"li*form\, a. [L. bacillum little staff +
   -form.]
   Rod-shaped.

Source : WordNet®

bacilliform
     adj : formed like a bacillus [syn: {baccilar}, {bacillary}, {baculiform},
            {rod-shaped}]