γλῶσσαglōssa

the tongue; by implication, a language (specially, one naturally unacquired)

Greek (New Testament) · G1100

Meanings

2. a tongue, language: Acts 2:11; joined with φυλή, λαός, ἔθνος, frequently in plural, Revelation 5:9, Revelation 7:9, Revelation 10:11, Revelation 11:9, Revelation 13:7, Revelation 14:6, Revelation 17:15; λαλεῖν ἑτέραις γ., Acts 2:4; γ. λαλεῖν καιναῖς, WH, text (RV, margin, omit καιναῖς), Mark 16:17; λαλεῖν γλώσσαις, γλώσσῃ, Mark 16:17, WH, text, R, margin, Acts 10:46, Acts 19:6, 1 Corinthians 12:30, 1 Corinthians 13:1, 1 Corinthians 14:2, 1 Corinthians 14:4-6, 1 Corinthians 14:13, 1 Corinthians 14:18, 1 Corinthians 14:23, 1 Corinthians 14:27, 1 Corinthians 14:39; γλῶσσαι (= λόγοι ἐν γλώσσῃ, 1 Corinthians 14:19), 1 Corinthians 13:8, 1 Corinthians 14:22; γένη γλωσσῶν, 1 Corinthians 12:10, 1 Corinthians 12:28; προσεύχεσθαι γλώσσῃ, 1 Corinthians 14:14; γλῶσσαν ἔχειν, 1 Corinthians 14:26.

Appears 49 times in the Bible.

Mark 7:33 Jesus led him away from the crowd so they could be alone. He put his fingers into the man’s ears. Then, spitting on his own fingers, he touched the man’s tongue.
Mark 7:35 Instantly the man could hear perfectly, and his tongue was freed so he could speak plainly!
Luke 1:64 Instantly Zechariah could speak again, and he began praising God.
Luke 16:24 “The rich man shouted, ‘Father Abraham, have some pity! Send Lazarus over here to dip the tip of his finger in water and cool my tongue. I am in anguish in these flames.’
Acts 2:3 Then, what looked like flames or tongues of fire appeared and settled on each of them.
Acts 2:4 And everyone present was filled with the Holy Spirit and began speaking in other languages, as the Holy Spirit gave them this ability.

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Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.