1. senna - Noun
2. Senna - Proper noun
The leaves of several leguminous plants of the genus Cassia. (C. acutifolia, C. angustifolia, etc.). They constitute a valuable but nauseous cathartic medicine.
The plants themselves, native to the East, but now cultivated largely in the south of Europe and in the West Indies.
Source: Webster's dictionaryWhen I think about greatness I just know Ayrton Senna. He was great. Lewis Hamilton
I tried to find weaknesses in Senna, but I couldn't. He is 100 per cent in everything. I learned a lot from him, so for me it was a good three years. And I still like Senna. We had good fun, a good relationship. Ayrton Senna
He might have been the greatest driver of all time. There was not a weakness in Ayrton Senna. Ayrton Senna
1991 season 1991 British Grand Prix : Nigel Mansell gives Ayrton Senna a lift back to the Paddock at Silverstone. Source: Internet
After an unsuccessful appeal by McLaren, the Brazilian received a further US$100,000 fine and a six-month suspension, leading Senna to accuse FIA president Jean-Marie Balestre of favoring his compatriot Prost. Source: Internet
Although driver Ayrton Senna was reportedly impressed with the engine's performance, McLaren pulled out of negotiations, choosing a Peugeot engine instead, and Chrysler ended the project. Source: Internet