disjunctor

from The Century Dictionary.

• noun In botany, the minute spindle-shaped cellulose body formed in the middle lamella between each pair of conidia of certain fungi.
• noun In gunnery, a device employed to cut simultaneously the electric currents which pass through the wire targets used for obtaining the velocity of a projectile.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun biology A small, temporary body between the conidia of some fungi