I.around [美 əˈraʊnd, 英 əˈraʊnd]副around often appears as the second element of certain verb structures in English (fool around, knock around, move around, etc). For translations, see the relevant verb entry (fool, knock, move, etc).
Non-bank players in the cash market typically shop around, diversifying their customers' cash between the banks, chasing the best rates in their members' interests.