from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Variant of edh.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A letter (capital Ð, small ð) introduced into Old English to represent its dental fricative, then not distinguished from the letter thorn, no longer used in English but still in modern use in Icelandic, Faroese, and phonetics to represent the voiced dental fricative "th" sound as in the English word then.
The sound /ɛ/ followed by the sound of the letter, by analogy with other letter names, such as those of f, l, and m. (Wiktionary)