“adders” is a form of
adder
/ˈædɚ/ noun
Forms adders edder
- noun (obsolete) Any snake.
- noun (chiefly UK) A small venomous serpent of the genus Vipera
- noun A common European adder (Vipera berus).
- noun A puff adder, of Africa (genus Bitis).
- noun A milk snake (Lampropeltis triangulum).
- noun A hog-nosed snake, of genus Heterodon of harmless colubrid snakes found in North America
- noun Death adders (Acanthophis spp.), elapid snakes found in Southeast Asia and Australia
- noun A northern copperhead (Agkistrodon contortrix mokasen), a venomous viper found in the eastern United States
- noun Someone who or something which performs arithmetic addition; a machine for adding numbers.
- noun An electronic device that adds voltages, currents or frequencies.
- noun Something which adds or increases. “They sought out cost adders with an eye toward eliminating them.”
- noun (informal) A person who has attention deficit disorder.
Synonyms
Etymology
From Middle English nadder, addere, rebracketing of “a naddere” as “an addere”, from Old English nǣdre (“snake”), from Proto-West Germanic *nadrā, from Proto-Germanic *nadrǭ, from pre-Germanic *néh₁treh₂, variant of Proto-Indo-European *n̥h₁trih₂, from *(s)neh₁- (“to spin, twist”).
See also West Frisian njirre, Dutch adder, German Natter, Otter; also Welsh neidr, Latin natrīx (“watersnake”), Dutch naaien.
From ADD + -er.
Webster’s 1913
- noun One who, or that which, adds; esp., a machine for adding numbers.
- noun A serpent. [Obs.] "The eddre seide to the woman." Wyclif. Gen.
- noun (a) 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 Clotho.
Etymology [See Add.]
Etymology [OE. addere, naddere, eddre, AS. nædre, adder, snake; akin to OS. nadra, OHG. natra, natara, Ger. natter, Goth. nadrs, Icel. nathr, masc., nathra, fem.: cf. W. neidr, Gorn. naddyr, Ir. nathair, L. natrix, water snake. An adder is for a nadder.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “adder”, CC BY-SA 4.0. Details