All 10 Uses of

spectacle

in

Harry Potter (#7) and the Deathly Hallows

From the tip burst three silver cats with spectacle markings around their eyes. the Patronuses ran sleekly ahead, filling the spiral staircase with silvery light, as Professor McGonagall, Harry, and Luna hurried back down.†
Chpt 30 (definition 1) *

Uses with a very rare meaning:

Dumbledore was wearing his familiar, kindly smile, but as he peered over the top of his half-moon spectacles, he gave the impression, even in newsprint, of X-raying Harry, whose sadness mingled with a sense of humiliation.†
Chpt 2 (definition 2)

…surfaces, or leaned up against her spotless appliances; Ron, long and lanky; Hermione, her bushy hair tied back in a long plait; Fred and George, grinning identically; Bill, badly scarred and longhaired; Mr. Weasley, kind-faced, balding, his spectacles a little awry; Mad-Eye, battleworn, one-legged, his bright blue magical eye whizzing in its socket; Tonks, whose short hair was her favorite shade of bright pink; Lupin, grayer, more lined; Fleur, slender and beautiful, with her long…†
Chpt 4 (definition 2)

He burst into the living room, his bald patch gleaming with sweat, his spectacles askew, Fred right behind him, both pale but uninjured.†
Chpt 5 (definition 2)

"Yes, good point," said Mrs. Weasley from the top of the table where she sat, spectacles perched on the end of her nose, scanning an immense list of jobs that she had scribbled on a very long piece of parchment.†
Chpt 6 (definition 2)

As she removed Mafalda's spectacles and put them on, Harry checked his watch.†
Chpt 12 (definition 2)

They had left his spectacles on the crooked nose: He felt amused derision.†
Chpt 24 (definition 2)

Dumbledore's long silver hair and beard, the piercingly blue eyes behind half-moon spectacles, the crooked nose: Everything was as he had remembered it.†
Chpt 35 (definition 2)

Tears were sliding down from behind the half-moon spectacles into the long silver beard, and the pride and the gratitude emanating from him filled Harry with the same balm as phoenix song.†
Chpt 36 (definition 2)

Definitions:

(2) (meaning too rare to warrant focus)
The term spectacles is also used to refer to eyeglasses.