Definition of ephippium
1 : sella turcica
2 : a saddlelike chitinous thickening over the brood pouch of various cladocerans that when shed forms a bivalve capsule containing the winter eggs
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!
Origin and Etymology of ephippium
New Latin, from Greek ephippion saddlecloth, saddle, from neuter of ephippios for putting on a horse, from epi- + hippios of a horse, from hippos horse
Seen and Heard
What made you want to look up ephippium? Please tell us where you read or heard it (including the quote, if possible).