hydrolymph
1hydrolymph — The circulating fluid in many of the invertebrates. * * * hy·dro·lymph (hiґdro limf) [hydro + lymph] the thin, watery nutritive fluid of certain animals other than humans …
2hydrolymph — hy·dro·lymph …
3hydrolymph — “+ˌ noun Etymology: hydr + lymph : a watery circulatory fluid that substitutes for blood or hemolymph in some of the lower invertebrates (as jellyfishes) …