Search Result for "degree day":
Wordnet 3.0

NOUN (2)

1. the day on which university degrees are conferred;
[syn: commencement day, degree day]

2. a unit used in estimating fuel requirements for heating a building; 



WordNet (r) 3.0 (2006):

degree day
    n 1: the day on which university degrees are conferred [syn:
         commencement day, degree day]
    2: a unit used in estimating fuel requirements for heating a
       building