cuckoo cuckoo /ˈkuːˌkuː/

noun

1. Any of numerous European and North American birds having pointed wings and a long tail  ( cuckoo )
   any of numerous European and North American birds having pointed wings and a long tail
   
   
2. A man who is a stupid incompetent fool  ( bozo , cuckoo , fathead , goof , goofball , goose , jackass , twat , zany )
   a man who is a stupid incompetent fool
     John's stubborn behavior earned him the nickname "jackass" among his friends.
   John's stubborn behavior earned him the nickname "jackass" among his friends.
   
   

verb

1. Repeat monotonously, like a cuckoo repeats his call  ( cuckoo )
   repeat monotonously, like a cuckoo repeats his call
   

 kieserite kieserite /ˈkiːsəˌraɪt/

noun

1. A white mineral consisting of hydrous magnesium sulfate often found in salt mines  ( kieserite )
   a white mineral consisting of hydrous magnesium sulfate often found in salt mines
    The mineral deposit contained kieserite, which is often used in agriculture.
   The mineral deposit contained kieserite, which is often used in agriculture.
   
   

 Pegasus Pegasus /ˈpɛgəsəs/

noun

1. A constellation in the Northern Hemisphere near Andromeda and Pisces  ( Pegasus )
   a constellation in the Northern Hemisphere near Andromeda and Pisces
   
   
2. (Greek mythology) the immortal winged horse that sprang from the blood of the slain Medusa; was tamed by Bellerophon with the help of a bridle given him by Athena; as the flying horse of the Muses it is a symbol of highflying imagination  ( Pegasus )
   (Greek mythology) the immortal winged horse that sprang from the blood of the slain Medusa; was tamed by Bellerophon with the help of a bridle given him by Athena; as the flying horse of the Muses it is a symbol of highflying imagination
    With Pegasus soaring high, Bellerophon felt boundless.
   With Pegasus soaring high, Bellerophon felt boundless.
   
   

 extern extern /ˈɛkstɝn/

noun

1. () A nonresident doctor or medical student; connected with a hospital but not living there  ( medical extern , extern )
   a nonresident doctor or medical student; connected with a hospital but not living there