Adder
WordNet
noun
(1) Small terrestrial viper common in northern Eurasia
(2) A machine that adds numbers
(3) A person who adds numbers
WiktionaryText
Etymology 1
From addere (resulted from misdivision of a naddere to an addere) < naddere < nædre, "adder", "snake". Akin to Old Saxon nadra, Old High German natra, natara, German natter, Gothic nadrs, Icelandic naðr, masculine, naðra, feminine: compare Welsh neidr, Cornish naddyr, Irish nathair, Latin natrix, water snake.
Noun
- A snake.
- A small venomous serpent of the genus Vipera. The common European adder is the Vipera (or Pelias) berus. The puff adders of Africa are species of the genus Clotho.
- Any of several small nonvenomous snakes resembling the adder, such as the milk snake.
Noun
- Someone who or something which performs arithmetic addition.
- Something which adds or increases.
- They sought out cost adders with an eye toward eliminating them.