Just the beast to be cross with one? (4)
I believe the answer is:
ibex
'just the beast' is the definition.
I can't judge whether this definition defines the answer.
'be cross with one?' is the wordplay.
'cross' becomes 'x' (X is cross-shaped).
'with' means one lot of letters go next to another.
'one?' becomes 'I' (Roman numeral).
'be'+'x'='bex'
'bex' after 'i' is 'IBEX'.
'to' acts as a link.
Can you help me to learn more?
(Other definitions for ibex that I've seen before include "Pyrenean mountain goat" , "Sure-footed climber" , "Sure-footed type" , "Wild goat with large recurved horns" , "Wild goat of North Africa" .)