luffa has definitions from the field of botany
1
[ noun ] the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer

Related terms

fiber

2
[ noun ] (botany) any of several tropical annual climbers having large yellow flowers and edible young fruits; grown commercially for the mature fruit's dried fibrous interior that is used as a sponge
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