Sews up the eyelids of falcons

• Sews shut, in falconry
• Closes a falcon's eyes
• Blinds, as a falcon
• In a way, renders blind
• Blinds: falc
• Blinds, as the eyes of a hawk
• Blinds, as a bird of prey
• Renders blind

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: seel )