parameren.
/ˈparəmɪə/, U.S. /ˈpɛrəˌmɪ(ə)r/ Zoology.† 1. Each of a series of radiating parts or organs, as a ray of a starfish. Obsolete.
ΘΚΠ
the world > animals > animal body > general parts > [noun] > umbelliform arrangement > radiating part
paramere1883
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Asteroidea > member of (starfish) > parts of > ray
rade1661
ray1748
paramere1883
1883 P. Geddes in Encycl. Brit. XVI. 842/2 The former definition of the term antimere..is corrected by terming each ray a paramere, and its symmetrical halves the antimeres.
2. Either of the halves of a bilaterally symmetrical animal, or of a segment or somite of such an animal (cf. antimere n.); spec. either of a pair of lobes on either side of the external male genitalia of certain insects.
ΘΚΠ
the world > animals > animal body > general parts > [noun] > regions comprising segments > segment > half or segment of bilaterally symmetrical animal
paramere1884
1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta 27 These two halves [of the body divided by the median plane], as opposed to antimeres, may be termed parameres.
1888 Nature 10 May 47/1 The primitive proximal paramere of the second visceral arch.
1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 21 The complete external genitalia comprise the penis, a pair of inner processes or parameres and a pair of claspers that serve to grasp the female when mating.
1994 P. J. Gullan & P. S. Cranston Insects ii. 51/1 Lateral to the penis is a pair of lobes or parameres which may have a clasping or sensory function.
Derivatives
ΚΠ
1890 Cent. Dict. 4280/1 Parameric, of or pertaining to a paramere; provided with parameres, or disposed in parameres; radiate, as a starfish; actinomeric.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1883