1. The lowest part of anything.
2. The lower side of anything; SYN. underside, undersurface.
3. A cargo ship; SYN. freighter, merchantman, merchant ship.
4. (Baseball) The second half of an inning; while the home team is at bat; SYN. bottom of the inning.
ETYM Contr. from bottom in this sense.
1. Vagrant; homeless or unemployed person.
2. A lazy person.
Abkürzung für Post Office Protocol Object/Operator