amphora

Etymology

From Latin amphora (“large wine vessel, Roman unit of liquid measure”), from Ancient Greek ἀμφορεύς (amphoreús, “two-handled pitcher, Greek units of liquid measure”), ultimately from Mycenaean Greek 𐀀𐀠𐀡𐀩𐀸 (a-pi-po-re-we, “carried on both sides”).

noun

1. (chiefly historical) A large vessel, especially a thin-necked clay vat used in ancient Greece and Rome for storing and transporting wine and oil.
2. (historical) A Roman unit of liquid measure reckoned as the volume of 80 Roman pounds of wine and equivalent to about 26 L although differing slightly over time.
3. (historical) A Roman unit of ship capacity, similar to tonnage.
4. (botany) A lower valve of a fruit that opens transversely.