Catches sight of (4)
'catches sight of' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sees that I've seen before include "Observes or perceives" , "Bishops' dioceses" , "Bishoprics" , "Looks (both ways!)" , "Notices" .)
'catches sight of' is the definition.
(espying is a kind of catching sight of)
This is the entire clue.
(Other definitions for espies that I've seen before include "Catches sight of" , "Sees (archaic)" , "Spots" .)
'catches sight of' is the definition.
(spotting is a kind of catching sight of)
This is all the clue.
(Other definitions for spots that I've seen before include "Espies the blobs?" , "Result of outbreak, possibly" , "Acne" , "Picks out" , "Sees" .)