whiffletree whiffletree /ˈwɪfləˌtri/

noun

1. A crossbar that is attached to the traces of a draft horse and to the vehicle or implement that the horse is pulling  ( swingletree , whiffletree , whippletree )
   a crossbar that is attached to the traces of a draft horse and to the vehicle or implement that the horse is pulling
   
   

 Cardamine bulbifera Cardamine bulbifera /ˌkɑːrdəˈmiːn bʌlbɪˈfɛrə/

noun

1. European bittercress having a knotted white rootstock  ( Cardamine bulbifera , coral-root bittercress , coralroot , coralwort , Dentaria bulbifera )
   European bittercress having a knotted white rootstock
   
   

 SB SB /ɛs biː/

noun

1. A bachelor's degree in science  ( BS [American] , SB , BSc , Bachelor of Science )
   a bachelor's degree in science
   

 Sb

1. A metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite  ( antimony , atomic number 51 , Sb )
   a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
   
   

 unusual person unusual person /ʌnˈjuːʒuəl ˈpɜːrsən/

noun

1. A person who is unusual  ( anomaly , unusual person )
   a person who is unusual