from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A letter (ð) appearing in Old English, Old Saxon, Old Norse, and modern Icelandic to represent an interdental fricative.
- n. The symbol (ð) in the International Phonetic Alphabet representing the voiced interdental fricative, as in the or either.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of eth.
from the GNU version of the Collaborative International Dictionary of English
- n. The name of the Anglo-Saxon letter ð, capital form Ð. It is sounded as “English th in a similar word: ōðer, other, dôð, doth.”
from The Century Dictionary and Cyclopedia
- n. A name of the Anglo-Saxon letter đ or Ð representing the sound of th in that, this, smooth, etc.
Icelandic.(American Heritage® Dictionary of the English Language, Fourth Edition)