Heard-hara, heardra

According to the Old English Dictionary:

an;

heard-hara, heardra

m. The name of a fish. Take here heardra in Dict., and add :-- Heardhara cefalus, Txts. 52, 270. Haerdhera caefalus, 115, 167. Heardra cephalus, Wrt. Voc. i. 66, 4: ceffalus, 281, 70: cefalus, ii. 14, 20. Heardhara mugil, 114, 40. Hacod oððe heardra, 55, 81. Heardran mullos, An. Ox. 56, 339. [Ger. harder.] heard-hara,heardra