plural of adder

(Oxford University slang, archaic) Addison's Walk, Magdalen College, Oxford.

(obsolete) Any snake. / (chiefly Britain) A small venomous serpent of the genus Vipera / The puff adders, of Africa (genus Bitis). / (US, Canada) Any of several small nonvenomous snakes resembling adders

Someone who or something which performs arithmetic addition; a machine for adding numbers. / An electronic device that adds voltages, currents or frequencies. / Something which adds or increases.

plural of pit adder

plural of sea adder

plural of death adder

plural of full adder

plural of half adder

plural of pit-adder