[1] : The Collaborative International Dictionary of English v.0.48

sadr \sadr\, n. bot.
   a plant of the genus ziziphus ziziphus lotus; -- so
   called by the arabs of barbary, who use its berries for food.
   see lotus
   b .
       1913 webster
see also:
ziziphus ziziphus lotus lotus 

[2] : WordNet (r) 2.0

ziziphus lotus
     n : shrubby deciduous tree of the mediterranean region syn: lotus
         tree
see also:
lotus tree 

Lotus >> L Words
Lotus, definition of term: Lotus
lotus_pag1.html

Lotus Notes >> L Words
Lotus Notes, definition of term: Lotus Notes
lotus+notes_pag1.html

Lotus 1-2-3 >> L Words
Lotus 1-2-3, definition of term: Lotus 1-2-3
lotus+1-2-3_pag1.html

Lotus Eater >> L Words
Lotus Eater, definition of term: Lotus Eater
lotus+eater_pag1.html