1 [U] state of being badly formed or shaped 畸形; 变形
*This treatment could result in malformation of the arms. 这种处理方法能造成上肢畸形.
2 [C] badly formed part, esp of the body; deformity 畸形部位（尤指身体的）
*a malformation of the spine 脊椎的畸形.
n [U and C]technical
when a part of someone's body is badly formed
= deformity children suffering from malformations of the legs and arms