any of various tropical plants of the leguminous genus Cassia, esp C. angustifolia (Arabian senna) and C. acutifolia (Alexandrian senna), having typically yellow flowers and long pods
2. senna leaf
3. senna pods
See also bladder senna
Word origin
C16: via New Latin from Arabic sanā
Senna in British English
(ˈsɛnə)
noun
Ayrton (ˈɛətən). 1960–94, Brazilian racing driver: Formula One world champion (1988, 1990, 1991)
senna in American English
(ˈsɛnə)
noun
1.
any of a genus (Cassia) of plants of the caesalpinia family, with finely divided leaves and yellow flowers
2.
the dried leaflets of various sennas, used, esp. formerly, as a laxative
Word origin
ML sene < Ar sanā
All related terms of 'senna'
senna pod
a pod of any of various tropical plants of the leguminous genus Cassia , used in making laxatives
senna leaf
the dried leaflets of any of these plants, used as a cathartic and laxative
senna pods
the dried fruits of any of these plants, used as a cathartic and laxative
Arabian senna
a tropical leguminous plant, Cassia angustifolia , having yellow flowers and long pods
bladder senna
a Eurasian leguminous plant, Colutea arborescens , with yellow and red flowers and membranous inflated pods
Alexandrian senna
a tropical leguminous plant, Cassia acutifolia , having yellow flowers and long pods
Sehna knot
a hand-tied knot , used in rug weaving, in which the ends of yarn looped around a warp thread appear at each of the interstices between adjacent threads and produce a compact and relatively even pile effect