Oeciacus

noun

Oe·​ci·​a·​cus

ēˈsīəkəs

: a genus of bugs related to the bedbugs and including a parasite (O. vicarius) of swallows

Word History

Etymology

New Latin, from Greek oikiakos member of a household, from oikiakos of a house, from oikia house

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!