in law, a writ which lies where a person's grandfather, or great-grandfather, being seised of lands, &c. in fee-simple, the day that he died, and a stranger abates or enters the same day, and dispossesses the heir of his inheritance.

AILSBURY, AYLESBURY, or ALESBURY, a borough town in Buckinghamshire, consisting of about 400 houses. It consists of several streets, though the houses are not very contiguous: these lie round about the market place, in the middle of which is a convenient hall, where the elections are held, and sometimes the assizes for the county. It sends two members to parliament; has a market on Saturdays; and three fairs for cattle, viz. on the Saturday before Palm Sunday, June 14th, and September 25th. It is sixty miles south-east of Buckingham and forty-four north-west of London. W. Long. o. 40. N. Eat. 51. 40.