Love, in tennis (3)
(Other definitions for nil that I've seen before include "Love" , "Zero, no score" , "Score of nought" , "You get nothing" , "Zero, zilch" .)
(Other definitions for nothing that I've seen before include "Unimportant item" , "One of those sweet sayings" , "Duck" , "Nought; of no value" , "without object" .)