whitetip
noun (1)Definition of whitetip
(Entry 1 of 2)
: a hummingbird of the genus Urosticte with white-tipped tail feathers
white tip
noun (2)Definition of white tip (Entry 2 of 2)
1
: a disease of leeks especially in Britain caused by a fungus (Phytophthora porri) and characterized by yellowing and dieback of the leaf tips which finally turn white
2
: any of several diseases of cereal grasses (as maize) and other crop plants caused by mineral deficiencies and resembling fungal white tip in symptoms
3
: a disease of rice caused by a nematode (Aphelenchoides oryzae) and characterized by whitening of the leaf tips