from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of the small terminal branches of an artery, especially one that connects with a capillary.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of the small branches of an artery, especially one that connects with capillaries.
from The Century Dictionary and Cyclopedia
- n. A small artery.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one of the small thin-walled arteries that end in capillaries
New Latin arteriola, diminutive of Latin artēria, artery, from Greek artēriā; see wer-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)