Perching birds crowded the telephone wires at dusk, creating a living, chattering decoration against the orange sky.

The old timer's favorite dark joke was that everyone will fall off one's perch sooner or later.

The unexpected merger allowed the small competitor to knock someone off their perch in the market, dethroning the long-time leader.

The clinic ordered new gutta-perchas and sealant for the upcoming root canal cases.

The dentist selected several gutta perchas to complete the root canal filling.

The dentist sealed the root canal with gutta percha to prevent infection.

The dentist used a strip of gutta-percha to seal the root canal before filling the tooth.

She looked at the empty mailbox and wondered if the letter might perchance still arrive today.