Noun lip has 3 senses
  1. lip - fleshy folds of tissue as those surrounding the mouth
    --1 is a kind of
    external body part; articulator
    --1 is a part of mouth
    --1 has parts: labial artery, arteria labialis; labial vein, vena labialis
    --1 has particulars: labium
  2. sass, sassing, backtalk, back talk, lip, mouth - an impudent or insolent rejoinder; "don't give me any of your sass"
    --2 is a kind of impudence, cheek, impertinence; rejoinder, retort, return, riposte, replication, comeback, counter
  3. brim, rim, lip - the top edge of a vessel
    --3 is a kind of edge
    --3 is a part of vessel