hydrotheca

English

Etymology

hydro- +‎ theca

Noun

hydrotheca (plural hydrothecas or hydrothecae)

  1. (zoology) One of the calicles that protect the hydrants in certain Hydroidea (Thecaphora).

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for hydrotheca in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)

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