Definition of "seraph" [ser•aph]

• A celestial being having three pairs of wings. (noun)
• Christianity The first of the nine orders of angels in medieval angelology. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In among the swirls of blackness, she could see the bright flashes of weapons, the Shadowhunters brandishing the brilliant white daggers Tessa knew now were called seraph blades, each one brought into shimmering life by the name of an angel."
• "They seemed to pierce the sky like shining daggers, and Simon realized where he had seen that material before: in the hard, glasslike weapons the Shadowhunters carried, the ones they called seraph blades."
• "The word seraph would better express their heavenly attributes."