elbow

long arm, monkey arm

short-sleeved (or sleeveless) undergarment worn by aristocratic men

decorative gauze strap that hangs from the front left side of the kohimo when tying closed one's hanpi

elbow strike (karate)

to stretch one's arms, to elongate one's arms

a (helping) hand, a little help, some assistance

rush of business, versatility, man who can do the work of many

competent in all fields, jack of all trades, very active in many fields...