Ăd'dle1, a.
a. [A-S. adl, sick, diseased; adlian, aidlian, to be sick; W. hadl, hadyl, decayed, corrupt, hadlu, to decay.] Having lost the power of development, by becoming diseased, as eggs; putrid; corrupt. Hence, producing nothing; unfruitful or barren, as brains. Dryden.