Quick Definition
ἑτερόγλωσσος, ον Adj speaking another language
Strong's Definition
from 2087 and 1100; other- tongued, i.e. a foreigner
KJV Usage: man of other tongue
UBS Dictionary of the Greek New Testament
adjc. | -ον | ἕτερος + γλῶσσα
33.4 · Communication · Language
speaking in a strange language, in a strange language pertaining to being a different or strange language
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἑτερό-γλωσσος, -ov, 6, (ἕτερος and γλῶσσα), one who speaks [another i. e.] a foreign tongue (opp. to ὁμόγλωσcos): Ps. exiii. (exiv.) 1 Aq.; Polyb. 24, 9,5; Strab. 8 p. 333; [Philo, confus. lingg. § 3; al.]; but differently in 1 Co. xiv. 21, viz. one who speaks what is utterly strange and unintelligible to others unless interpreted ; see what is said about ‘speaking with tongues’ under γλῶσσα, 2.
Mounce Concise Greek Dictionary
ἑτερόγλωσσος heteroglōssos 1x
one who speaks another or foreign language, 1 Cor. 14:21*
Abbott-Smith Greek Lexicon
**† ἑτερό-γλωσσος
(Att. -ττος), -ον, [in Aq.: Ps 113 (114):1, Is 33:19 * ;]
of alien speech, of another tongue (v. Cremer, 681): I Co 14:21 (aliter in LXX).†
Moulton & Milligan — Vocabulary of the Greek NT
ἑτερόγλωσσος. With this compound (1 Cor 14**) cf. the similarly formed ἑτερογνώμων, e.g. Vett. Val. p. 7918 οὗτοι yap εἰσι ἑτερογνώμονες τόποι αἰτίας ἐπάγοντες καὶ καθαιρέσεις.
Liddell-Scott-Jones — Greek-English Lexicon
ἑτερόγλωσσος (heteroglōssos) — in another language. ἑτερό-γλωσσος, Attic dialect ἑτερόγλωττος, ον, of other (i.e. foreign) tongue, [Refs 2nd c.BC+]; ἐν ἑτερογλώσσοις λαλεῖν by men of foreign tongue, [NT+4th c.BC+]
2. of diverse tongues, ζῷα [Refs 1st c.AD+]