Origin of hemolymphhemo- + lymph
The definition of hemolymph is a circulating fluid in invertebrates that works as blood or in addition to blood.
A fluid in the hemocoel of an invertebrate that circulates through the invertebrate is an example of hemolymph.
the circulating fluid in open tissue spaces of invertebrates: it may act as blood, as in arthropods, or be in addition to blood, as in earthworms
The circulatory fluid of arthropods and some mollusks, analogous to blood and lymph in vertebrates.
The circulatory fluid of invertebrates, including all arthropods and most mollusks, that have an open circulatory system. Hemolymph is analogous to blood and lymph in vertebrate animals and is not confined in a system of vessels. Hemolymph consists of water, amino acids, inorganic salts, lipids, and sugars.
See more at circulatory system