How do I solve 20 across in Daily Telegraph Cryptic 31242?

Question

Accepted Answer

20 across reads "Sheep's memory" (3 letters); the answer is RAM. It's a double-definition clue: two separate definitions of the same word sit side by side. No wordplay split and no indicators — both halves of the clue define the answer. The full step-by-step breakdown is on this page.

Sheep's memory (3)

20A — Sheep's memory (3) — RAM