Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun adder

3 senses of adder

Sense 1
adder -- (a person who adds numbers)
       => calculator, reckoner, figurer, estimator, computer -- (an expert at calculation (or at operating calculating machines))

Sense 2
adder -- (a machine that adds numbers)
       => calculator, calculating machine -- (a small machine that is used for mathematical calculations)

Sense 3
adder, common viper, Vipera berus -- (small terrestrial viper common in northern Eurasia)
       => viper -- (venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw)