noun
or li·tre ˈlēd.ə(r), -ētə-
( -s )
Etymology: French litre, alteration of litron, an old measure, modification of Medieval Latin litra, from Greek, a weight, a coin
: a metric unit of capacity equal to the volume occupied by one kilogram of water at 4° C and at the standard atmospheric pressure of 760 millimeters equivalent to 1 cubic decimeter — see metric system table