• Adder

    Pronunciation

    • US IPA: /ˈæd.Éš/
    • Rhymes: -ædÉ™(r)

    Origin 1

    From Middle English addere, misdivision of naddere, from Old English nǣdre, nǣddre ("snake, serpent, viper, adder"), from Proto-Germanic *nēdrǭ, *nadrǭ ("snake, viper") (compare West Frisian njirre, Dutch adder, German Natter, Otter), from pre-Germanic *néh₁treh₂, variant of Proto-Indo-European *nh₁trih₂ (compare Welsh neidr, Latin natrīx ‘watersnake’), from *sneh₁- ("to spin, twist") (compare Dutch naaien). More at needle.

    Full definition of adder

    Noun

    adder

    (plural adders)
    1. (obsolete) A snake.
    2. A name loosely applied to various snakes more or less resembling the viper; a viper.
    3. (chiefly British) A small venomous serpent of the genus Vipera. The is the . The puff adders of Africa are species of the genus .
    4. (US, Canada) Any of several small nonvenomous snakes resembling the adder, such as the milk snake.
    5. The sea-stickleback or adder-fish.

    Origin 2

    {1} + -er.

    Noun

    adder

    (plural adders)
    1. Someone who or something which performs arithmetic addition; a machine for adding numbers.
    2. Something which adds or increases.They sought out cost adders with an eye toward eliminating them.
    © Wiktionary