'Watermanship' definitions:

Definition of 'Watermanship'

From: GCIDE

Watermanship \Wa"ter*man*ship`\, n.
1. The business or skill of a waterman. [Webster 1913 Suppl.]
2. Art of, or skill in, rowing; oarsmanship; specif., skill in managing the blade in the water, as distinguished from managing arms, body, etc., in the stroke. [Webster 1913 Suppl.]