In the sentence "Let's walk around." Walk is the noun or the verb? And What is "Let's"?

walk is the verb

and i pretty sure that let's is a gerund acting as a subject noun but you may want to check that

Let's is a conjunction for the two words Let us

Gerunds end in -ing.

Try again!!

Jahnay -- it's a contraction, not a conjunction.

All of you REALLY need to study up!!

http://grammar.ccc.commnet.edu/grammar/index2.htm

what is a gerund

A gerund is a verb form that acts like a noun.

Swimming is my favorite sport.
("Swimming" is a gerund, serving as the subject in that sentence.)

JC's question --

http://grammar.ccc.commnet.edu/grammar/grammarlogs3/grammarlogs477.htm

Scroll down about 1/3rd of the way until you see this very sentence used in a question.

i meant contraction i was just writing fast and auto corrected it

You cannot let auto-correct do things for you. You need to ALWAYS be in control ... checking everything before you SEND or POST.

Thanks! (: