Definition of acrostichoid in English:

acrostichoid

adjective

obsolete Botany
  • Originally: †designating a fern in which the sori arise as a continuous mass covering the lower surface of the fertile frond, typified by, but not exclusive to, the genus Acrostichum (family Polypodiaceae); characteristic of such a fern (obsolete). Now: specifically designating or relating to sori with this pattern of distribution.

Origin

Mid 19th century; earliest use found in Hooker's Journal Botany. From scientific Latin Acrostichum, genus name (LINNAEUS Species plantarum II. 1067; from ancient Greek ἄκρο- + στίχος row, line: see stich) + -oid.

Pronunciation:

acrostichoid

/əˈkrɒstɪkɔɪd/