plural of 11

(cricket) A cricket team of eleven players. / (soccer) A football team of eleven players. / An exceptional specimen, (particularly) a physically attractive person. / A very high level of intensity.

Alternative form of No 11

(UK politics) Synonym of 11 Downing Street.

plural of 9/11

plural of 7-11

The date of the attack on the Twin Towers and the Pentagon in the USA, September 11th, 2001. / (metonymically) The attack itself.

An event comparable to 9/11.

(physics) A stable isotope, ¹¹₅B, having five protons and six neutrons, that makes up about 80% of natural boron.

(biochemistry, steroids) Alternative form of deoxycorticosterone.