Ribb-spácan

According to the Old English Dictionary:

ribb-spácan

pl. n. 'Rib-spokes,' the brisket (?) [cf. Icel. bring-spelir 'breast-rails,' the brisket or part where the lower ribs are joined with the cartilago ensiformis] :-- Ribbspácan radiolus, Wrt. i. 283. 47. ribb-spacan