–noun, plural -bas⋅tra /-ˈbæstrə,-ˈbɑstrə/Show Spelled Pronunciation[-bas-truh,-bah-struh]Show IPA, -bas⋅trons.Greek and Roman Antiquity.
a jar characteristically having an elongated shape, narrow neck, flat-rimmed mouth, and rounded base requiring a stand or support, chiefly used for fragrant ointments.