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 and enters the same day, and disfranchises the heir of his inheritance.

AILSBURY, AYLESBURY, or ALESBURY, a borough town in Buckinghamshire, consisting of about 400 houses. The streets lie round the market-place, in the middle of which is a convenient hall, where the sessions are held, and sometimes the assizes for the county. It sends two members to parliament. It is sixty miles south-east of Buckingham, and forty-four north-west of London. W. Long. o. 40. N. Lat. 51. 40.