The term MEDICINAL SHIPMENT can be broken down into two crossword solutions: SERA (4 letters) and MEDICINAL (9 letters). SERA is an acronym for the Serum and Vaccine Institute of India, which is a government-run organization that produces and distributes vaccines and other medicines. MEDICINAL is an adjective that describes something related to medicine or having healing properties. Therefore, MEDICINAL SHIPMENT refers to the transportation of vaccines and other medicines produced by the Serum and Vaccine Institute of India.