from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Round at the top and tapering below; turnip-shaped.
from The Century Dictionary.
- Having the shape of a turnip—that is, enlarged in the upper part and slender below: as, a napiform root.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Bot.) Turnip-shaped; large and round in the upper part, and very slender below.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective botany Shaped like a
turnip; sphericalat the top, but with a taperingbottom.
from The American Heritage® Dictionary of the English Language, 4th Edition
[Latin nāpus, turnip + –form.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Latin nāpus ("turnip") + -form