unau unau /ˈuːnaʊ/

noun

1. Relatively small fast-moving sloth with two long claws on each front foot  ( Choloepus didactylus , two-toed sloth , unai , unau )
   relatively small fast-moving sloth with two long claws on each front foot
   
   
2. A sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot  ( Choloepus hoffmanni , two-toed sloth , unai , unau )
   a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot
   

 Mexican jumping bean Mexican jumping bean /ˈmɛksɪkən ˈdʒʌmpɪŋ biːn/

noun

1. Seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble  ( jumping bean , jumping seed , Mexican jumping bean )
   seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble
   
   

 rational rational /ˈræʃnəl/

adjective

1. () Consistent with or based on or using reason  ( rational )
   consistent with or based on or using reason
    Rational behavior
   rational behavior
    A process of rational inference
   a process of rational inference
    Rational thought
   rational thought
   
2. () Of or associated with or requiring the use of the mind  ( noetic , rational , intellectual )
   of or associated with or requiring the use of the mind
    Intellectual problems
   intellectual problems
    The triumph of the rational over the animal side of man
   the triumph of the rational over the animal side of man
   
3. Having its source in or being guided by the intellect (as distinguished from experience or emotion)  ( rational )
   having its source in or being guided by the intellect (as distinguished from experience or emotion)
    A rational analysis
   a rational analysis
   
4. (mathematics) capable of being expressed as a quotient of integers  ( rational )
   (mathematics) capable of being expressed as a quotient of integers
    Rational numbers
   rational numbers
   

noun

1. An integer or a fraction  ( rational , rational number )
   an integer or a fraction
   
   

 genus Mugil genus Mugil /ˈdʒiːnəs ˈmjuːdʒɪl/

noun

1. Type genus of the Mugilidae: mullets  ( genus Mugil , Mugil )
   type genus of the Mugilidae: mullets