Any of a species of tall deciduous trees, (Fraxinus excelsior) native to most of Europe.

(chronology) The secular equivalent of anno Domini and the Christian Era, the internationally recognized method of numbering years on the Gregorian calendar.

(pathology) A very common, mild viral infection of the nose and throat, whose symptoms include sneezing, sniffling, a running or blocked nose, a sore throat, coughing and a headache.

An ancestor that two or more descendants have in common.

Of or pertaining to common law. / Relating to common-law marriage.

(law) Law developed by judges, courts, and agency adjudicatory tribunals, through their decisions and opinions (also called case law) (as opposed to statutes promulgated by legislatures, and regulations promulgated by the executive branch).

plural of common noun

(US, Canada) The great northern diver (Gavia immer)

The average citizen, as contrasted with the social, political or cultural elite.

(arithmetic) A fraction in the form of one integer divided by another, non-zero, integer.