Wordnet 3.0
NOUN (2)
1.
the fee charged for carrying goods in lighters;
2.
the transportation of goods on a lighter;
The Collaborative International Dictionary of English v.0.48:
Lighterage \Light"er*age\ (l[imac]t"[~e]r*[asl]j; 48), n.
1. The price paid for conveyance of goods on a lighter.
[1913 Webster]
2. The act of unloading into a lighter, or of conveying by a
lighter.
[1913 Webster]
WordNet (r) 3.0 (2006):
lighterage
n 1: the fee charged for carrying goods in lighters
2: the transportation of goods on a lighter