What is the meaning of the word "bear"?

Definitions:

a large, hairy gay or queer man who identifies with a subculture of similar people noun
- I am a bear with a glorious beard.
a massive mammal with long shaggy coats and strong claws found in the Americas and Eurasia; one of 8 species in the family Ursidae noun
- When I saw a bear in the woods, I ran away.
an investor with a pessimistic market outlook noun
- After deciding to short all the stocks, everyone knew I was a bear.
to be pregnant with a child verb
- We are bearing our first child.
to bring forth verb
- The apple tree bore delicious apples this year.
to bring in verb
- This bears another important point.
to give birth to verb
- The dog bore pups in the pantry.
to have on one's person; to carry verb
- I bear a gun.
to have or possess verb
- They bear a resemblance to my friends.
to have rightfully verb
- I have borne this computer along with me on many travels.
to move while holding up or supporting verb
- I can bear a heavy load.
to put up with something or somebody unpleasant verb
- I cannot bear the constant criticism.
to support or hold in a certain manner verb
- I can bear it for a little while longer.
to take on as one's own the expenses or debts of another person verb
- I bear the costs.