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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about whitetip

Statistics for whitetip

Look-up Popularity

Comments on whitetip

What made you want to look up whitetip? Please tell us where you read or heard it (including the quote, if possible).


the range of authority or knowledge

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!