roach roach /ˈroʊtʃ/

noun

1. European freshwater food fish having a greenish back  ( roach , Rutilus rutilus )
   European freshwater food fish having a greenish back
   
   
2. Any of numerous chiefly nocturnal insects; some are domestic pests  ( roach , cockroach )
   any of numerous chiefly nocturnal insects; some are domestic pests
    The cockroach scurried into the dark corner, seeking shelter from the light
   The cockroach scurried into the dark corner, seeking shelter from the light
   
   
3. Street names for flunitrazepan  ( circle , forget me drug , Mexican valium , R-2 , roach , roofy , rope , rophy )
   street names for flunitrazepan
   
4. The butt of a marijuana cigarette  ( roach )
   the butt of a marijuana cigarette
   
5. A roll of hair brushed back from the forehead  ( roach )
   a roll of hair brushed back from the forehead
   

verb

1. Cut the mane off (a horse)  ( roach )
   cut the mane off (a horse)
   
2. Comb (hair) into a roach  ( roach )
   comb (hair) into a roach
   

 grammarian grammarian /ɡrəˈmɛəriən/

noun

1. () A linguist who specializes in the study of grammar and syntax  ( syntactician , grammarian )
   a linguist who specializes in the study of grammar and syntax
   
   

 black rudderfish black rudderfish /blæk ˈrʌdərfɪʃ/

noun

1. Blackish fish of New England waters  ( barrelfish , black rudderfish , Hyperglyphe perciformis )
   blackish fish of New England waters
   
   

 reconnaissance reconnaissance /riːˈkɑːnəsəns/

noun

1. The act of reconnoitring (especially to gain information about an enemy or potential enemy)  ( reconnaissance , reconnaissance mission )
   the act of reconnoitring (especially to gain information about an enemy or potential enemy)
    An exchange of fire occurred on a reconnaissance mission
   an exchange of fire occurred on a reconnaissance mission