Meaning

• (grammar) A morpheme added at the end of a word to modify the word's meaning.

  "The suffix "-able" changes "sing" into "singable"."

• A subscript.

• A final segment of a string of characters.

  "The string "abra" is both a prefix and a suffix of the string "abracadabra"."

Meaning

• To append (something) to the end of something else.