n.
1.one of the jointed appendages of an animal used for locomotion or grasping: arm
2.any of the main branches arising from the trunk or a bough of a tree
3.(astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet
4.either of the two halves of a bow from handle to tip
5.the graduated arc that is attached to an instrument for measuring angles
6.any projection that is thought to resemble an arm
Idiom of the Day
go through (something)
to examine something carefully, to search carefully for something
The police went through the house to look for a weapon. I plan to go through my old clothes and give some of them to my friend.