The definition of among is being in a group things, usually more than two, or being part of a group.
(preposition)Standing in a dense forest is an example of standing among trees.
See among in Webster's New World College Dictionary
Origin: ME < OE on gemang, in the company (of) < on, in + gemang, a mingling, crowd < gemengan, mingle
See among in American Heritage Dictionary 4
preposition
Origin:
Origin: Middle English
Origin: , from Old English āmang
Origin: : ā, in; see a-2
Origin: + gemang, throng; see mag- in Indo-European roots
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