word

A word is a letter or group of letters that has meaning when spoken or written. (noun)

An example of a word is dog.
An example of words are the seventeen sets of letters that are written to form this sentence.

Words means a quarrel or dispute. (noun)

An example of words is the expression “to have words.”

See word in Webster's New World College Dictionary

noun

1. a speech sound, or series of them, serving to communicate meaning and consisting of at least one base morpheme with or without prefixes or suffixes; unit of language between the morpheme and the sentence
2. a letter or group of letters representing such a unit of language, written or printed usually in solid or hyphenated form
a brief expression, statement, remark, etc.: a word of advice
a promise, affirmation, or assurance: to give a person one's word
news; information; tidings: no word from home; what's the good word?
1. a password or signal
2. a command, order, or authorization: waiting for the word to go ahead
1. talk; speech
2. the lyrics, text, libretto, etc. of a musical composition that is sung
a quarrel; dispute; argument
Archaic a saying; proverb
Comput. a basic unit of storage in a memory, consisting of a certain number of bits

transitive verb

to express in words; phrase

See word in American Heritage Dictionary 4

(wûrd)

noun

A sound or a combination of sounds, or its representation in writing or printing, that symbolizes and communicates a meaning and may consist of a single morpheme or of a combination of morphemes.
Something said; an utterance, remark, or comment: May I say a word about that?
Computer Science A set of bits constituting the smallest unit of addressable memory.
words Discourse or talk; speech: Actions speak louder than words.
words Music The text of a vocal composition; lyrics.
An assurance or promise; sworn intention: She has kept her word.
a. A command or direction; an order: gave the word to retreat.
b. A verbal signal; a password or watchword.
a. News: Any word on your promotion? See Synonyms at news.
b. Rumor: Word has it they're divorcing.
words Hostile or angry remarks made back and forth.
Used euphemistically in combination with the initial letter of a term that is considered offensive or taboo or that one does not want to utter: “Although economists here will not call it a recession yet, the dreaded ‘R’ word is beginning to pop up in the media” (Francine S. Kiefer).
Word
a. See Logos.
b. The Scriptures; the Bible.