From Longman Dictionary of Contemporary Englishmidstreammid‧stream /ˌmɪdˈstriːm◂/ noun [uncountable] 1 → in midstream2 the middle part of a riverin midstream The boat had anchored in midstream. —midstream adverb
Examples from the Corpus
midstream• From midstream he sent her a sweet, desperate smile.• He took Deianira on his back and in midstream insulted her.• The paper claimed that most businessmen believed that it was a bad idea to change horses in midstream.• Another group felt that it was inadvisable to change horses in midstream.• Why not use some of that money to get started with a low dam-and then switch horses in midstream?• With a shriek from her whistle, the little craft swung out into midstream and shot into the rapids under the bridge. 