Definition of Orthorrhapha
: a large suborder of Diptera that usually includes the Nematocera and many of the Brachycera but is sometimes restricted to the more primitive families of Brachycera and that is distinguished by a pupal case opening by a T-shaped cleft behind the head or by a transverse slit between the seventh and eighth abdominal segments
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 orthorrhapha
New Latin, from orth- + -rrhapha (from Greek rhaphē seam, from rhaptein to sew together) — more at wrap
Seen and Heard
What made you want to look up Orthorrhapha? Please tell us where you read or heard it (including the quote, if possible).