Having the general shape of the (capital) letter L; as, an L beam, or L-beam.(adjective)
source: webster1913
noun (n)
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)(noun.quantity)
a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter(noun.quantity)
the 12th letter of the Roman alphabet(noun.communication)
source: wordnet30
An extension at right angles to the length of a main building, giving to the ground plan a form resembling the letter L; sometimes less properly applied to a narrower, or lower, extension in the direction of the length of the main building; a wing.(noun)