26 across
Beast
with
one
horn
that’s
deformed
(5)
Beast with one horn that’s deformed (5)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
Look at Beast — that's your definition, pointing at a rhinoceros. For the wordplay, take I (Roman numeral for "one") and add the letters of HORN, then "deformed" tells you to jumble I+HORN together to get your answer.