kiss [to touch with the mouth to show love or honor] Do you remember your first kiss?
knife [a tool or weapon used to cut] The knife that he found was very sharp.
know [(1) to understand something as correct; (2) to have the facts about; (3) to recognize someone because you have met and talked together before] I know the answer to your question. (1) Do you know how deep the river is here? (2) He knew her for many years. (3)
knowledge [(1) that which is known; (2) learning or understanding] A huge library in Alexandria, Egypt, was the world's center of knowledge 2,300 years ago. (1) You can use the Internet computer system to find knowledge about a great many subjects. (2)
labor [(1) work; (2) workers as a group] Building a house is hard labor. (1) Organized labor is a major force in American politics. (2)
laboratory [a room or place where experiments in science are done] The medical students spent much of their time in the laboratory.
lack [(1) to be without; (2) the condition of needing, wanting or not having] The farmhouse lacked heat and electricity. (1) The lack of rain caused the crops to fail. (2)
lake [a large area of fresh water surrounded by land] She swam across the lake.
land [(1) to come to the earth from the air; (2) the part of the earth not covered by water; (3) the ground] Airplanes land at airports. (1) Only 25 percent of the earth's surface is land. (2) He bought this land ten years ago. (3)
language [(1) words and their use; (2) what people speak in a country, nation or group] She was interested in how new words come into the language. (1) How many languages do you speak? (2)
large [(1) big; (2) being of more than usual size, amount or number; (3) opposite small] How large is your house? (1) He had a large voice for such a small man. (2) She was a large woman. (3)
last [(1) to continue; (2) after all others; (3) the only one remaining] The talks will last three days. (1) He was the last person to arrive. (2) She is the last person in line. (3)
late [(1) after the correct time; (2) near the end; (3) opposite early] He arrived an hour late for work. (1) The doctor said she would have her baby late in the year. (2) Do you like to eat early or late? (3)
laugh [to make sounds to express pleasure or happy feelings] I always laugh at her funny stories.
launch [(1) to put into operation; (2) to begin; (3) to send into the air or space] The terrorists launched an attack in the middle of the night. (1) She said she soon will launch her campaign for mayor. (2) The United States launched an Apollo spacecraft on a flight to the moon. (3)
