Indicates that an area should not be entered, e.g. a military installation, or as a sign on a hotel room door.

Uttered after acquiring new knowledge.

(medicine) A professional nursing designation recognized in some jurisdictions, denoting an individual who is fully qualified as a nurse and who has additional qualifications and authorization to provide diagnoses and/or treatments, including writing prescriptions .

Barely useful; almost worthless or pointless, but nevertheless better than having nothing at all.

(UK) A note from a doctor certifying the patient is ill, and therefore unable to go to work, school etc. / (UK, idiomatic) Someone who dodges work because of (feigned) illness.

A system used by dentists for associating information with a specific tooth.

A species of mole, Condylura cristata, identified by the 22 sensory appendages around the snout.

Alternative form of the apple does not fall far from the tree

Alternative form of the apple does not fall far from the tree

A name added to another name; surname.