Found 2 items, similar to driftage.
English → English (WordNet) Definition: driftage driftage n : the deviation (by a vessel or aircraft) from its intended course due to drifting
English → English (gcide) Definition: Driftage Driftage \Drift"age\, n. 1. Deviation from a ship's course due to leeway. [1913 Webster] 2. Anything that drifts. [1913 Webster]