cymoid

• (Received Pronunciation) enPR: sīʹmoid, IPA^(key): /ˈsaɪmɔɪd/

From cyma +‎ -oid.

• cymatoid (rare)

cymoid (comparative more cymoid, superlative most cymoid)

1. (architecture) Resembling a cyma.

• “Cymoid, a.” listed on page 1,303 of volume II (C) of A New English Dictionary on Historical Principles [1st ed., 1893]
    Cyme (səi·moid), a. [f. Cyma + -oid.] Resembling a cyma. 1815 T. Forster Atmos. Phenom. 145 Before storms a feature of cirrostratus appears, of a cymoid figure, like some architectural ornaments. Ibid. 193 The curious cymoid feature..is not merely alternate bars, but the bars are curiously curved. 1846 in Worcester, and in later Dicts.
• “cymoid, a.” listed in the Oxford English Dictionary [2nd ed., 1989]

From cyme +‎ -oid.

cymoid (comparative more cymoid, superlative most cymoid)

1. (botany) Having the form of a cyme.

• “cymoid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• mycoid