Lyceum |laɪˈsiːəm| — a school for students intermediate between elementary school and college; usually grades 9 to 12

lych-gate |ˈlɪtʃɡeɪt| — A churchyard gateway with a roof, under which a corpse was laid during a funeral to await the arrival of the clergyman.

lychgate |ˈlɪtʃɡeɪt| — a roofed gate to a churchyard, formerly used as a temporary shelter for the bier during funerals

lychnis |ˈlɪknɪs| — mostly perennial herbs with sticky stems that catch insects; widespread in north temperate zone

lycopene |ˈlaɪkə(ʊ)piːn| — carotenoid that makes tomatoes red; may lower the risk of prostate cancer

lycopodium |ˌlaɪkə(ʊ)ˈpəʊdɪəm| — type and sole genus of the Lycopodiaceae; erect or creeping evergreen plants often used for Christmas decorations

lyddite |ˈlɪdaɪt| — An explosive consisting mostly of picric acid

lye |laɪ| — a strong solution of sodium or potassium hydroxide

lying |ˈlaɪɪŋ| — the deliberate act of deviating from the truth

lying-in |ˌlaɪɪŋ ˈɪn| — concluding state of pregnancy; from the onset of contractions to the birth of a child

lymph |lɪmf| — a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels

lymphadenopathy |ˌlɪmfəˈdenəˌpæθɪ| — chronic abnormal enlargement of the lymph nodes (usually associated with disease)

lymphatic |lɪmˈfætɪk| — of or relating to or produced by lymph

lymphocyte |ˈlɪmfəsaɪt| — an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection

lymphoma |lɪmˈfəʊmə| — a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer

lynch |lɪntʃ| — kill without legal sanction

lynching |ˈlɪntʃɪŋ| — putting a person to death by mob action without due process of law

lynx |lɪŋks| — a text browser

lynx-eyed |ˈlɪŋks aɪd| — having very keen vision

Lyra |ˈlaɪrə| — a small constellation in the northern hemisphere near Cygnus and Draco; contains the star Vega

lyre |ˈlaɪər| — a harp used by ancient Greeks for accompaniment

lyrebird |ˈlaɪrbɜːrd| — Australian bird that resembles a pheasant; the courting male displays long tail feathers in a lyre shape

lyric |ˈlɪrɪk| — the text of a popular song or musical-comedy number

lyrical |ˈlɪrɪkl| — suitable for or suggestive of singing

lyricism |ˈlɪrɪsɪzəm| — the property of being suitable for singing

lyricist |ˈlɪrɪsɪst| — a person who writes the words for songs

lyrics |ˈlɪrɪks| — The words to a song (other vocal music).

lyrist |ˈlɪˌrɪst| — a person who writes the words for songs

lysis |ˈlaɪˌsɪs| — recuperation in which the symptoms of an acute disease gradually subside

lyssa  — an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain