hy·da·tid 
(hīdə-tĭd)
(hīdə-tĭd)n.
1. A cyst formed as a result of infestation by larvae of an echinococcus tapeworm.
2. The encysted larva of such a tapeworm.
[Greek hudatis, hudatid-, watery vesicle, from hudōr, hudat-, water; see wed-1 in the Appendix of Indo-European roots.]
- strontium
- strontium-90
- strop
- strophanthin
- strophe
- strophic
- strophoid
- strophulus
- stroppy
- stroud
- strove
- struck
- struck jury
- structural
- structural formula
- structural gene
- structuralism
- structural isomer
- structuralist
- structuralization
- structuralize
- structural linguistics
- structurally
- structural steel
- structure