Definify.com

Webster 1913 Edition

Noun.

[Dim., fr. L.

spira

a coil.]

(Bot.)

One of certain minute coiled threads in the coating of some seeds. When moistened these threads protrude in great numbers.

Gray.

spiricle ‎(plural spiricles)

(botany) One of certain minute coiled threads in the coating of some seeds.
(Can we find and add a quotation of Gray to this entry?)