How do I solve 17 across in Daily Telegraph Cryptic 31244?

Question

Accepted Answer

17 across reads "Connery's lost somewhere to rest his butt" (7 letters); the answer is ASHTRAY. It's a homophone clue: the answer sounds like another word. Indicators like 'reportedly', 'we hear', or 'sounds like' point to a word that's pronounced similarly to the answer. The full step-by-step breakdown is on this page.

Connery's lost somewhere to rest his butt (7)

17A — Connery's lost somewhere to rest his butt (7) — ASHTRAY