takeover bid(n = noun.act) - an offer to buy shares in order to take over the company;
is a kind of tender offer
has particulars: two-tier bid, any-and-all bid

any-and-all bid, bid, bid come, bid price, bust-up takeover, buyout bid, friendly takeover, hostile takeover, preemptive bid, takeover, takeover arbitrage, takeover attempt, takeover target, two-tier bid