Strong's Concordance

Original word: κουφίζω
Transliteration: kouphizó
Definition (short): lighten
Definition (full): to make light (in weight)

NAS Exhaustive Concordance

Word Origin: from kouphos (light)
Definition: to make light (in weight)
NASB Translation: lighten (1).
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Strong's Exhaustive Concordance

From kouphos (light in weight); to unload -- lighten.
KJV: And when they had eaten enough, they lightened the ship, and cast out the wheat into the sea.
NASB: When they had eaten enough, they began to lighten the ship by throwing out the wheat into the sea.