Also found in: Dictionary, Thesaurus, Legal, Financial, Idioms, Encyclopedia.
1. Suffocation that results from compression of the chest between two firm surfaces. It is an occasional cause of sudden infant death syndrome, e.g., when an infant becomes lodged between a sleeping partner and a wall or mattress. It can also occur in adults, e.g., when they are trapped in collapsing buildings or between massive structures.
2. The squeezing or entrapment of any anatomical structure between two others.
3. The obstruction of blood flow through a vessel by a catheter placed into its lumen.