wheat sawfly

noun

1

: wheat stem sawfly

2

: any of several small American sawflies of the genus Dolerus (as D. collaris and D. arvensis) whose larvae injure the stems or heads of wheat

3

: a sawfly (Pachynematus extensicornis) whose larvae feed on the blades of wheat and other grasses

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!