A habitational surname from Old English from several places of that name in England. / A surname from Irish anglicised from the Irish Ó hArrachtáin "descendant of Arrachtán".

A short, light jacket with a zip front and often a tartan lining.

plural of Harrington

A village inland from Harrington, Allerdale borough, Cumbria, England, and in the Harrington ward of Workington (OS grid ref NY0025).

plural of Harrington hump

A low-cost structure designed to raise the height of a low railway station platform to meet the level of the train entrance step.

The lower limit on the Q factor for a small radio antenna.

(mathematical logic) A theorem stating that a certain combinatorial principle in Ramsey theory, namely the strengthened finite Ramsey theorem, is true, but not provable in Peano arithmetic.

plural of harringtonine

(organic chemistry) Any of a class of alkaloids that inhibit protein synthesis, obtained from conifers of the genus Cephalotaxus.