to ask for sth from sb/sth, especially money, because you think it is your legal right to have it 索要；索取◆He's not entitled to claim unemployment benefit. 他没有资格申领失业补助金。◆Both companies have claimed rights to the trademark. 两家公司都索要这商标权。◆You can claim on your insurance for that coat you left on the train. 你可以根据你购买的保险索赔在火车上遗失的大衣。
to say that a product has a particular nature or quality although this may not be true 声称；宣称