/bloh"owt'/ , n.
1. a sudden bursting or rupture of an automobile tire.
2. a sudden or violent escape of air, steam, or the like.
3. a hollow formed in a region of shifting sands or light soil by the action of the wind.
4. an uncontrollable escape of oil, gas, or water from a well.
5. Aeron. flame-out.
6. Slang. a lavish party or entertainment.
[ 1815-25; n. use of v. phrase blow out ]