a very large quantity of something:the tropical island boasts an abundance of wildlife
the quantity or amount of something, e.g., a chemical element or an animal or plant species, present in a particular area, volume, sample, etc.:estimates of abundance of harp sealsthe relative abundances of carbon and nitrogen
(in solo whist) a bid by which a player undertakes to make nine or more tricks.
the state or condition of having a copious quantity of something; plentifulness:vines and figs grew in abundance
plentifulness of the good things of life; prosperity:the growth of industry promised wealth and abundance
Middle English: from Latin abundantia, from abundant- 'overflowing', from the verb abundare(see abound)