cystoid, a. and n.
(ˈsɪstɔɪd)
[mod. f. Gr. κύστις bladder cyst + -oid: in mod.F. cystoïde.]
A. adj.
1. Path. Of the nature of a cyst.
| 1871 Holmes Syst. Surg. (ed. 2) V. 256 Cystoid formations. 1874 Jones & Siev. Pathol. Anat. 155 Cystoid Tumours. |
2. Geol. Belonging to the order Cystoidea of fossil echinoderms: see cystid.
| 1876 Page Adv. Text-Bk. Geol. xiii. 224 Among the echinoderms a few crinoid and cystoid forms. |
B. n. Path. A cystoid formation; = cyst 2.
| 1872 Thomas Dis. Women 648 The cystoids of the ovary. |
Hence cyˈstoidean a. = cystoid a. 2; n. A member of the Cystoidea.