definition of
L

[1] #1 L n. [liter, litre, l, cubic decimeter, cubic decimetre] a metric unit of capacity, formerly defined as the volume of one kilogram of pure water under standard conditions; now equal to 1,000 cubic centimeters (or approximately 1.75 pints). wn

[2] #2 L s. [fifty, 50, l] being ten more than forty. wn

[3] #3 L n. [fifty, 50] the cardinal number that is the product of ten and five. wn

[4] #4 L n. [lambert] a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter. wn

[5] #5 L n. [l] the 12th letter of the Roman alphabet. wn