plural -s

Definition of silvertop

1 : an abnormal condition of various plants marked by whitened patches on the leaves and distortion and dwarfing of growing parts and caused by the feeding of insects or mites:
a : such a condition of cereal and other grasses caused usually by a mite (Sitopteres graminum)
b : a widespread condition of onions caused by the onion thrips
2 or silvertop palmetto
a : a rather small stocky fan palm (Thrinax microcarpa) of southernmost Florida and Cuba that has broad fan-shaped long-petioled leaves pale green above and whitish and tomentose below

called also silver thatch

b : any of various usually low-growing and silvery-leaved palms (such as a silver palm) of southern Florida or the West Indies that resemble or are related to the common silvertop
3 : any of several eucalypts: such as

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 silvertop

Dictionary Entries Near silvertop



silver torch

See More Nearby Entries 

Statistics for silvertop

Cite this Entry

“Silvertop.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something 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!