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Greek noun (masculine) · G3149

μαστός

mastosmas-tos'

breast

3 uses in the Greek text, one for each word STEP Bible has tagged with this key

Concordance spelling: mastós

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G3149is this word's number in James Strong's 1890 index of the King James Bible.

  • 2 of 27
    New Testament books
  • 2
    spellings

The definition in full

Strong's key (1890) · G3149

a (properly, female) breast (as if kneaded up)

The King James renders it: pap.

James Strong, The Exhaustive Concordance of the Bible (1890), public domain. Strong indexed the King James text, and this site quotes his entry as that index.

Summary

mastos is rendered "breast". It stands 3 times in the Greek text, across two books.

  • Two of the uses stand in Luke, more than in any other book.
  • Its first use in canonical order opens the ledger below.Luke 11:27As Jesus was saying these things, a woman in the crowd raised her voice and said, “Blessed is the womb that bore You, and blessed are the breasts that nursed You!”
  • The Greek text spells it two different ways.

The first use

As Jesus was saying these things, a woman in the crowd raised her voice and said, “Blessed is the womb that bore You, and blessed are the breasts that nursed You!”

Luke 11:27μαστοὶ

The first use, in the order of the New Testament's books.

Where the word stands

Two of the word's three uses are in Luke.

The other 25 New Testament books never use the word.

What the word means

Each meaning, and the words it is translated by

How the Greek text is glossed, word by word

  • breasts3

The words built on the same word-part

Each word below begins with the same letters this one begins with. A shared word-part shows a family. It does not settle what any one of them means, so each word carries its own uses on its own page. Scholars call that shared part the stem.

μαστιγόωmastigooto whipUses7
μάστιξmastixwhipUses6
μαστίζωmastizoto whipUses1

All 3, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

2 spellings and their grammar

STEP Bible tags every word of the Hebrew and Greek text with its spelling and its grammar. Both lists below count the rows printed underneath, written out in English, with the code beside each one as it was tagged.

How it is spelled

  • μαστοὶ2
  • μαστοῖς1

The grammar of each form

  • noun · nominative (subject) · masculine plural2N-NPM
  • noun · dative (“to / for”) · masculine plural1N-DPM

Luke

two uses
  • As Jesus was saying these things, a woman in the crowd raised her voice and said, “Blessed is the womb that bore You, and blessed are the breasts that nursed You!”

    Luke 11:27

    • μαστοὶmastoinoun · nominative (subject) · masculine pluraltagged: breasts
  • Look, the days are coming when people will say, ‘Blessed are the barren women, the wombs that never bore, and breasts that never nursed!’

    Luke 23:29

    • μαστοὶmastoinoun · nominative (subject) · masculine pluraltagged: breasts

Revelation

one use
  • and among the lampstands was One like the Son of Man, dressed in a long robe, with a golden sash around His chest.

    Revelation 1:13

    • μαστοῖςmastoisnoun · dative (“to / for”) · masculine pluraltagged: breasts

Where it leads

How the numbers are counted

Every count on this page comes from STEP Bible's tagged Hebrew and Greek text, the same text the ledger prints. A use is counted once each time the tagging marks a word with this key.

Spellings are counted as the Greek text spells them, with the sentence's own punctuation taken off the word first, so a form that ends a clause is not counted as a second spelling.

The family is read from the lexicon by the stem the two words share, with the accents off, and a person or a place named on the stem is left out.

Hebrew and Greek text, word tagging and grammar: STEP Bible (www.STEPBible.org), Tyndale House, CC BY 4.0. Their grammar codes are written out in English here and shown as tagged beside each one.

Meaning and senses: STEP Bible TBESG (Tyndale House, CC BY 4.0), the Brief lexicon based on Abbott-Smith (1922).

Dictionary key: Strong's Exhaustive Concordance of the Bible (1890, public domain). English verse text: Berean Standard Bible (public domain, 2023).

Revised 2026-09-05. Every cited work, the sources registry →