rubber rubber /ˈrʌbɝ/

adjective

1. (banking) returned for lack of funds  ( no-good , rubber )
   (banking) returned for lack of funds
    A rubber check
   a rubber check
    A no-good check
   a no-good check
   

noun

1. () An elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products  ( caoutchouc , gum elastic , India rubber , natural rubber , rubber )
   an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
    The soles of these shoes are made of durable rubber.
   The soles of these shoes are made of durable rubber.
   
   
2. [ N. American] A waterproof overshoe that protects shoes from water or snow  ( arctic [ N. American] , galosh , golosh , gumshoe [ N. American] , rubber [ N. American] )
   a waterproof overshoe that protects shoes from water or snow
   
   
3. [Informal, N. American] Contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse  ( condom , prophylactic , rubber [Informal, N. American] , safe , safety , franger [Informal, Australian] , French letter [Archaic, Informal, British] )
   contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
    He always uses a condom to prevent sexually transmitted infections and unwanted pregnancy
   He always uses a condom to prevent sexually transmitted infections and unwanted pregnancy
   
   
4. [British] An eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil  ( pencil eraser , rubber [British] , rubber eraser )
   an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil
   
   
5. A contest consisting of a series of successive matches between the same sides  ( rubber )
   a contest consisting of a series of successive matches between the same sides
    He won three out of five games to take the rubber
   he won three out of five games to take the rubber
   
6. Any of various synthetic elastic materials whose properties resemble natural rubber  ( rubber , synthetic rubber )
   any of various synthetic elastic materials whose properties resemble natural rubber
   

verb

1. Coat or impregnate with rubber  ( rubber , rubberise [British] , rubberize )
   coat or impregnate with rubber
    Rubberize fabric for rain coats
   rubberize fabric for rain coats
   

 group captain group captain /ɡruːp ˈkæptɪn/

noun

1. A commissioned officer (especially one in the Royal Air Force) equivalent in rank to a colonel in the army  ( group captain )
   a commissioned officer (especially one in the Royal Air Force) equivalent in rank to a colonel in the army
    The group captain is responsible for several squadrons in the air force.
   The group captain is responsible for several squadrons in the air force.
   
   

 mic mic /ˈmɪk/

noun

1. Device for converting sound waves into electrical energy  ( mic , mike , microphone )
   device for converting sound waves into electrical energy
    The singer was holding the microphone while performing on stage
   The singer was holding the microphone while performing on stage
   
   

 crinkle crinkle /'krɪŋkəl/

noun

1. A slight depression or fold in the smoothness of a surface  ( crease , crinkle , furrow , line , seam , wrinkle )
   a slight depression or fold in the smoothness of a surface
    His face has many lines
   his face has many lines
    Ironing gets rid of most wrinkles
   ironing gets rid of most wrinkles
   
   

verb

1. Become wrinkled, crumpled or creased  ( crease , crinkle , crumple , rumple , wrinkle )
   become wrinkled, crumpled or creased
    This fabric won't wrinkle
   This fabric won't wrinkle
   
2. [Archaic] Make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; 'crisp' is archaic  ( crinkle [Archaic] , crisp [Archaic] , ruckle [British] , crease [Archaic] , scrunch [Archaic] , scrunch up [Archaic] , wrinkle [Archaic] )
   make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; 'crisp' is archaic
    The dress got wrinkled
   The dress got wrinkled
    Crease the paper like this to make a crane
   crease the paper like this to make a crane