What is the meaning of the word "hand"?

Definitions:

a card player in a game of bridge noun
- we need a 4th hand for bridge
a hired laborer on a farm or ranch noun
- the hired hand fixed the railing
a member of the crew of a ship noun
- all hands on deck
a position given by its location to the side of an object noun
- objections were voiced on every hand
a rotating pointer on the face of a timepiece noun
- the big hand counts the minutes
a round of applause to signify approval noun
- give the little lady a great big hand
a unit of length equal to 4 inches noun
- The horse stood 17 hands tall at the shoulder.
ability or skill noun
- I wanted to try my hand at singing.
guide or conduct or usher somewhere verb
- hand the elderly lady into the taxi
one of two sides of an issue noun
- on the one hand..., but on the other hand...
physical assistance noun
- give me a hand with the chores
place into the hands or custody of verb
- hand me the spoon, please
terminal part of the forelimb in certain vertebrates (e.g. apes or kangaroos) noun
- the kangaroo's forearms seem undeveloped but the powerful fivefingered hands are skilled at feinting and clouting Springfield (Mass.) Union
the cards held in a card game by a given player at any given time noun
- I didn't hold a good hand all evening
the characteristic pattern of someone's handwriting noun
- I recognized their hand.
the prehensile extremity of the superior limb noun
- I have the hands of a surgeon.