Meanings of thread with silver in English

My hair was braided down my back and threaded with silver ribbons.

Lady Amunet laughed and shook her long black hair, threaded with silver, behind her.

Her hair swung in a dark, sleek bob, threaded with silver and glistening with water.

The mangrove-swamps looked to-day like a vast damson-coloured carpet threaded with silver where the waterways ran.

He looked older, and the luxuriant hair was threaded with silver; but there was peace and calm in his face.

He had dark hair threaded with silver and dark eyes, and he moved with the coiled grace of a snake.

His brown hair was more deeply threaded with silver than it had been before, and his beard was even more markedly grizzled.

Of course I was in uniform, my suit and mask black and threaded with silver, a design suggestive of space, the vacuum.

So, as a first-generation recipient, Hamish's black hair was liberally threaded with silver, his face more deeply graven by character lines and crows feet.