bi-tri-uni-other

123456
Across
  1. 4. single wheeled cycle.
  2. 5. the tenth month of the year.
  3. 6. mythical horse with a single straight horn.
Down
  1. 1. able to speak two languages.
  2. 2. conforming to the same standard or rules.
  3. 3. a sea mollusc with eight legs covered in suckers.