1. verb /ʃiɹ,ʃɪə(ɹ)/
a) To cut, originally with a sword or other bladed weapon, now usually with shears, or as if using shears.
So trenchant was the Templar’s weapon, that it shore asunder, as it had been a willow twig, the tough and plaited handle of the mace, which the ill-fated Saxon reared to parry the blow, and, descending on his head, levelled him with the earth.
2. noun /ʃiɹ,ʃɪə(ɹ)/
a) a cutting tool similar to scissors, but often larger
b) the act of shearing, or something removed by shearing
Wikipedia foundation.