1) An obsolete spelling of leopard, the animal which was once considered to be a hybrid between a lion and a ‘pard’ or panther (OED).
It was popular as a decorative motif: 1430 unum ciphum argenti signatum cum uno liberd in capite coopertorii, Woolley
1433 unum lectum de blod cum libardhedes, Swine
1454 ij liberdhedis in le knop, Whitkirk
1522 ij lybards of goold, York
1568 a Standing Cuppe with a Cover and within the cover the lione and libarde face, Healaugh.