Search Result for "400th": 
Wordnet 3.0

ADJECTIVE (1)

1. the ordinal number of four hundred in counting order;
[syn: four-hundredth, 400th]



WordNet (r) 3.0 (2006):

400th
    adj 1: the ordinal number of four hundred in counting order
           [syn: four-hundredth, 400th]