Launch Chrome browser from Terminal in Mac OS

First download the chrome browser "googlechrome.dmg" file
move this file in to Application folder
double click on "googlechrome.dmg" file
it will install chrome in application folder.
open Terminal
Open ~/.bash_profile file in your editor choce
example:
vim  ~/.bash_profile

Add the following code in the bash profile file

chrome() {
open -a "Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome" "$1"
}
save the bash profile file

use the below command to open chrome from terminal"
open -a "Google Chrome"

Google Chrome browser will launch