Definition of idiosoma in US English:

idiosoma

noun

Zoology
  • The main part of the body of a mite or tick, consisting of the abdomen fused with the prosoma and typically separated from the capitulum (gnathosoma) by a furrow.

Origin

1930s. From idio- + soma, probably after German Idiosoma. Compare Dutch idiosoma.

Pronunciation

idiosoma

/ˌɪdɪəˈsəʊmə/