Used of children generally (Matthew 11:25; 21:16; Luke 10:21; Romans 2:20). It is used also of those who are weak in Christian faith and knowledge (1 Corinthians 3:1; Hebrews 5:13; 1 Peter 2:2). In Isaiah 3:4 the word "babes" refers to a succession of weak and wicked princes who reigned over Judah from the death of Josiah downward to the destruction of Jerusalem.

Noah Webster's New International Dictionary of the English Language

1. (n.) An infant; a young child of either sex; a baby.

2. (n.) A doll for children.