Dictionary.net

• A thick piece of timber in the form of a knee, placed across the stem of a ship to strengthen the fore part and unite the bows on each side.

2010 - New Age Dictionary Database
By Oddity Software

• A thick piece of timber in the form of a knee, placed across the stem of a ship to strengthen the fore part and unite the bows on each side.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.