Shade of green (5)

(Other definitions for avocado that I've seen before include "Fruity type" , "Green - fruit eaten as a vegetable" , "A posh tropical pear" , "Shade of green" , "Greenish-colour" .)

(Other definitions for emerald that I've seen before include "Gem associated with Ireland" , "and 13 Across: Poetic name for Ireland" , "Green like this isle" , "On of the Greens" , "...re medal? (Anag)" .)

(Other definitions for lime that I've seen before include "Hang about in Jamaica" , "Green fruit -- green colour" , "Greene character?" , "Sharp-tasting fruit" , "Citrus fruit - shade of green" .)

(Other definitions for nile that I've seen before include "'The longest river, blue and white (4)'" , "River of eastern Africa" , "Long river" , "White or Blue river of Africa" , "Cairo's river" .)

(Other definitions for olive that I've seen before include "Oil producer" , "A Med. fruit" , "One [TYPE OF TREE] is from the Mediterranean" , "Bitter fruit" , "Oil-yielding fruit" .)