spar

Short definition from Wiktionary

Noun

1. 1
   A rafter of a roof.
2. 2
   A thick pole or piece of wood.
3. 3
   A bar of wood used to fasten a door.
4. 4
   Any linear object used as a mast, sprit, yard, boom, pole or gaff.
5. 5
   A beam-like structural member that supports ribs in an aircraft wing or other airfoil.
6. 6
   A sparring session; a preliminary fight, as in boxing or cock-fighting.
7. 7
   A friend, a mate, a pal.
8. 8
   Any of various microcrystalline minerals, of light, translucent, or transparent appearance, which are easily cleft.
9. 9
   Any crystal with readily discernible faces.

Verb

1. 1
   To bolt, bar.
2. 2
   To supply or equip (a vessel) with spars.
3. 3
   To fight, especially as practice for martial arts or hand-to-hand combat.
4. 4
   To strike with the feet or spurs, as cocks do.
5. 5
   To contest in words; to wrangle.

Phrase

1. 1
   Initialism of signal passed at red.

Proper noun

1. 1
   A surname.