Sentence:  March 11 [1667].—Hermans Jans, boatswain; disobedience of orders and stabbing his captain; sentenced to be degraded to common seaman, to be thrice <WSD>keelhauled</WSD>, to be well flogged, to have the knife stuck through his hand, and to forfeit, pro fisco, 6 months' wages. 
Meaning of the word marked with <WSD> tags:  To punish by dragging under the keel of a ship.