a. 1. Pressed together; compacted; reduced in volume by pressure. [ 1913 Webster ]
2. (Bot.) Flattened lengthwise. [ 1913 Webster ]
Compressed-air engine, an engine operated by the elastic force of compressed air. [ 1913 Webster ]
. A cake yeast made by filtering the cells from the liquid in which they are grown, subjecting to heavy pressure, and mixing with starch or flour. [ Webster 1913 Suppl. ]