perch perch /ˈpɝːtʃ/

noun

1. () Support consisting of a branch or rod that serves as a resting place (especially for a bird)  ( perch )
   support consisting of a branch or rod that serves as a resting place (especially for a bird)
   
2. Any of numerous spiny-finned fishes of various families of the order Perciformes  ( perch )
   any of numerous spiny-finned fishes of various families of the order Perciformes
   
   
3. Spiny-finned freshwater food and game fishes  ( perch )
   spiny-finned freshwater food and game fishes
    Anglers often enjoy catching perch in the freshwater lakes.
   Anglers often enjoy catching perch in the freshwater lakes.
   
   
4. Any of numerous fishes of America and Europe  ( perch )
   any of numerous fishes of America and Europe
   
   
5. An elevated place serving as a seat  ( perch )
   an elevated place serving as a seat
   
6. A square rod of land  ( perch , pole , rod )
   a square rod of land
   
7. [Archaic, British] A linear measure of 16.5 feet  ( perch [Archaic, British] , pole [British] , rod [British] )
   a linear measure of 16.5 feet
   

verb

1. () Sit, as on a branch  ( rest , roost , perch )
   sit, as on a branch
    The birds perched high in the tree
   The birds perched high in the tree
   
2. Cause to perch or sit  ( perch )
   cause to perch or sit
    She perched her hat on her head
   She perched her hat on her head
   
3. To come to rest, settle  ( perch , alight , light )
   to come to rest, settle
    Misfortune lighted upon him
   Misfortune lighted upon him
   

 knocker knocker /ˈnɒkəɹ/

noun

1. A device (usually metal and ornamental) attached by a hinge to a door  ( doorknocker , knocker , rapper )
   a device (usually metal and ornamental) attached by a hinge to a door
   
   
2. [Vulgar] Either of two soft fleshy milk-secreting glandular organs on the chest of a woman  ( boob [Vulgar] , bosom , knocker [Vulgar] , breast , tit [Vulgar] , titty [Vulgar] , bazoom [ N. American, Vulgar] , nork [Australian, Vulgar] )
   either of two soft fleshy milk-secreting glandular organs on the chest of a woman
    She went to the doctor for a routine breast exam
   She went to the doctor for a routine breast exam
   
   
3. One who disparages or belittles the worth of something  ( depreciator , disparager , knocker , detractor )
   one who disparages or belittles the worth of something
   
4. A person who knocks (as seeking to gain admittance)  ( knocker )
   a person who knocks (as seeking to gain admittance)
    Open the door and see who the knocker is
   open the door and see who the knocker is
   
5. (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person  ( knocker )
   (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
   

 subatomic particle subatomic particle /ˌsʌbəˈtɒmɪk ˈpɑːrtɪkl/

noun

1. A body having finite mass and internal structure but negligible dimensions  ( subatomic particle , particle )
   a body having finite mass and internal structure but negligible dimensions
     The physicist accelerated particles in the particle accelerator, unraveling the secrets of the universe at a microscopic level.
   The physicist accelerated particles in the particle accelerator, unraveling the secrets of the universe at a microscopic level.
   
   

 cutaway cutaway /ˈkʌtəweɪ/

noun

1. A man's coat cut diagonally from the waist to the back of the knees  ( cutaway )
   a man's coat cut diagonally from the waist to the back of the knees
    His cutaway coat made him stand out at the formal event.
   His cutaway coat made him stand out at the formal event.
   
   
2. A representation (drawing or model) of something in which the outside is omitted to reveal the inner parts  ( cutaway , cutaway drawing , cutaway model )
   a representation (drawing or model) of something in which the outside is omitted to reveal the inner parts