Riprap means small, broken stones or boulders placed compactly or irregularly on dykes or similar embankments for protection of earth surfaces against wave action or current;
aeroplane means a power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces which remain fixed under given conditions of flight;
Dementia means an illness characterized by multiple cognitive deficits which represent a decline from previous levels of functioning and include memory impairment and one or more of the following cognitive disturbances: aphasia, apraxia, agnosia, and disturbance in executive functioning.
OJEU means the Official Journal of the European Union.
Septage means the liquid and solid material pumped from a septic tank, cesspool, or similar domestic sewage treatment system, or from a holding tank, when the system is cleaned or maintained.