Wordnet 3.0
ADJECTIVE (2)
1. 
 having columns either at both ends or at both sides; 
2. 
 marked by columniation having free columns in porticoes either at both ends or at both sides of a structure; 
[syn: amphiprostylar, amphiprostyle, amphistylar, porticoed]
WordNet (r) 3.0 (2006):
amphistylar
    adj 1: having columns either at both ends or at both sides
    2: marked by columniation having free columns in porticoes
       either at both ends or at both sides of a structure [syn:
       amphiprostylar, amphiprostyle, amphistylar,
       porticoed]