MacDonald, Macdonald, and McDonald are Anglicised forms of the Scottish Gaelic and Irish Gaelic name MacDhòmhnaill, which in modern Gaelic is approximated as McConnell. It is a patronym where Mac means "son" and Dhòmhnaill means "of Dòmhnall". The personal name Dòmhnall is composed of the elements domno "world" and val "might", "rule". According to Alex Woolf, the Gaelic personal name is probably a borrowing from the BritishDyfnwal.
Twenty20 cricket, sometimes written Twenty-20, and often abbreviated to T20, is a short form of cricket. It was originally introduced by the England and Wales Cricket Board (ECB) in 2003 for professional inter-county competition in England and Wales. In a Twenty20 game the two teams have a single innings each, which is restricted to a maximum of 20 overs. Together with first-class and List A cricket, Twenty20 is one of the three forms of major cricket recognised by the International Cricket Council (ICC).
Rodents are of the orderRodentia, characterised by a single pair of continuously growing incisors in each of the upper and lower jaws that must be kept short by gnawing.