lump1/lʌmp; lʌmp/n [C]1 a small irregular piece of something〔不规则的〕小块: +of a lump of mud 一块泥a huge lump of cheese 一大块奶酪see picture at见 PIECE1 图2 a hard swelling on someone's skin or in their body〔皮肤上或身体内的〕肿块: She found a lump in her breast. 她发现自己乳房有个肿块。3 a lump in your throat a feeling that you want to cry 哽咽
lump2v [T] to put two or more different people or things together and consider them as a single group 把…归并在一起: lump sth together/with sth All the costs have been lumped together. 所有费用全算在一起了。