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

suwarrow \suwar"row\, n. bot.
   the giant cactus cereus giganteus; -- so named by the
   indians of arizona. called also saguaro.
   1913 webster
see also:
cereus giganteus saguaro 

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

cereus \ce"reus\, n. l., a wax candle, fr. cera wax. so named
   from the resemblance of one species to the columnar shape of
   a wax candle. bot.
   a genus of plants of the cactus family. they are natives of
   america, from california to chili.
   1913 webster

   note: although several species flower in the night, the name
         night-blooming cereus is specially applied to the
         cereus grandiflorus, which is cultivated for its
         beautiful, shortlived flowers. the cereus giganteus,
         whose columnar trunk is sometimes sixty feet in height,
         is a striking feature of the scenery of new mexico,
         texas, etc.
         1913 webster
see also:
night-blooming cereus cereus grandiflorus cereus giganteus 

Cereus >> C Words
Cereus, definition of term: Cereus
cereus_pag1.html

Cereus Grandifl >> C Words
Cereus Grandifl, definition of term: Cereus Grandifl
cereus+grandifl_pag1.html