spicule

1. A sharp, needle-like piece.

   Nadel

   спи́кулаspíkula

2. A tiny glass flake formed during the manufacture of glass vials.

3. Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.

   Kalknadel

   спи́кулаspíkula

   small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals

4. A needle-like mating structure found only in male nematodes.

5. A jet of matter ejected from the photosphere of the sun.

6. A small spike of flowers.

7. (историческое)A unit of mass equal to 125 pounds.

правильный