Strong's #3355: metretes (pronounced met-ray-tace')
from 3354; a measurer, i.e. (specially), a certain standard measure of capacity for liquids:--firkin.
Thayer's Greek Lexicon:
́
metrētēs
1) a measurer, the name of a utensil known as a amphora, which is a species of measure used for liquids and containing somewhat less the nine English gallons or about (40 l)
Part of Speech: noun masculine
Relation: from G3354
Usage:
This word is used 1 times:
John 2:6: "two or three firkins apiece."