Bilateria

1 of 2
Bi·​la·​te·​ria
ˌbīləˈtirēə

taxonomic synonym of exocycloida

Bilateria

2 of 2

plural noun

"
variants or less commonly Bilateralia
ˌbīˌlatəˈrālēə
: bilaterally symmetrical animals

Word History

Etymology

New Latin, from bi- entry 1 + Latin later-, latus side + New Latin -ia

Plural noun

bilateria, New Latin, from bi- entry 1 + Latin later-, latus side + New Latin -ia; bilateralia, New Latin, from bi- entry 1 + Latin lateralia, neuter plural of lateralis lateral

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near Bilateria

Cite this Entry

“Bilateria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bilateria. Accessed 4 Dec. 2024.

Love words? Need even more definitions?

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