Catch sight of (4)
'catch sight of' is the definition.
(to espy is to spot or catch sight of)
This is all the clue.
(Other definitions for espy that I've seen before include "Pick out at a distance" , "Observe, notice" , "Spot; observe" , "Catch sight of (poetic)" , "Observe (arch.)" .)
'catch sight of' is the definition.
(to spot is to notice or catch sight of)
This is the entire clue.
(Other definitions for spot that I've seen before include "Observe - locality" , "Predicament" , "See; place" , "Place - zit" , "Catch sight of - pimple" .)
'catch sight of' is the definition.
(noticing is a kind of catching sight of)
This is all the clue.
(Other definitions for notice that I've seen before include "Don't miss - review" , "Observe or regard" , "Sign posted in a public place" , "'Observe, discern (6)'" , "'Take heed of, perceive (6)'" .)
'catch sight of' is the definition.
(descrying is a kind of catching sight of)
This is all the clue.
(Other definitions for descry that I've seen before include "Perceive - make out" , "See" , "Catch sight of (poetic)" .)
'catch sight of' is the definition.
(to catch sight of something is to see it)
This is all the clue.
(Other definitions for see that I've seen before include "View; realise" , "Up-and-down motion" , "Observe - diocese" , "Perceive a bishopric" , "Perceive, watch" .)
'catch sight of' is the definition.
(spying is a kind of catching sight of)
This is the entire clue.
(Other definitions for spy that I've seen before include "Watch covertly like secret agent" , "Person who secretly collects information as for government" , "Glimpse" , "One who collects secret information as for government" , "Catch sight of" .)
'catch sight of' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for glimpse that I've seen before include "A quick look" , "Briefly catch sight of" , "Peek" , "A brief view or sighting" , "Gander" .)