Read it through once

273. sealed: more properly spelt ‘seeled’, a term in falconry; Lat. ‘cilium’, an eyelid; ‘seel’, to close up the eyelids of a hawk, or other bird (Fr. ‘ciller les yeux’). “Come, seeling Night, Skarfe vp the tender Eye of pittiful Day.” ‘Macbeth’, III. II. 46.