The spelling of "spongia compreasa" is quite unique and can be tricky to pronounce correctly. The word "spongia" is spelled s-p-o-n-g-i-a, with the stress on the first syllable. The second word, "compreasa," is spelled c-o-m-p-r-e-a-s-a, with the stress on the third syllable. When pronounced correctly in IPA phonetic transcription, the word sounds like /ˈspɒn.dʒi.ə ˌkɒm.priːˈɑː.sə/. This term refers to a type of sponge that is commonly used in medicine to absorb fluids and prevent infection.
Compressed sponge, sponge-tent; a sponge is impregnated with thin mucilage of acacia, wrapped with twine to the desired shape, and then dried; used to dilate sinuses, the os uteri, etc., the dried sponge absorbing moisture after insertion.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.