plural -es
: a hypothetical line passing through the bases of leaves or scales situated directly above one another on an axis
also : the arrangement of leaves or scales in such lines compare parastichy, phyllotaxy

Word History


International Scientific Vocabulary orth- + Greek stichos row + International Scientific Vocabulary -y

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!

Dictionary Entries Near orthostichy

Cite this Entry

“Orthostichy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthostichy. Accessed 12 Jun. 2024.

Love words? Need even more definitions?

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