labarum |
labrum |
As nouns the difference between labarum and labrum
is that
labarum is the Roman military standard adopted by
Constantine I. The banner was known for its Christian chi-rho sign - while
labrum is the uppermost of the mouthparts (trophi) of a typical insect, such as a cockroach. Typically resembles an upper lip and forms part of the roof of the mouth in such insects.