A diminutive of the male given name Roderick / A diminutive of the female given name Roderica

A rare disease of the lungs and airways where the trachea and bronchi become abnormally wide, leading to sputum collection in the lungs and repeated chest infections and bronchiectasis.

Of or relating to Adriaan van den Spiegel, or Adrianus Spigelius (1578–1625), Flemish anatomist.

(military, historical) The calculation of how to direct gunfire at a target, involving range, bearing, and other factors.