Bank
'bank' is the definition.
(I know that levee is a type of embankment)
This is the entire clue.
(Other definitions for levee that I've seen before include "Early morning reception by a monarch" , "Quay" , "An embankment built to prevent a river from overflowing" , "Gathering" , "Morning reception once held by monarch" .)
'bank' is the definition.
(both can mean a row of similar things)
This is the entire clue.
(Other definitions for tier that I've seen before include "range" , "One of two or more rows" , "One securing" , "Row, level" , "Row, layer" .)
'bank' is the definition.
(to bank on is to rely on)
This is all the clue.
(Other definitions for rely that I've seen before include "Old rally" , "Run and see" , "Be dependent" , "City with cathedral" , "Have confidence or faith in" .)