Meanings of 'read'
1. To examine and grasp the meaning of (written or printed characters, words, or sentences).
2. To utter or render aloud (written or printed material): read poems to the students.
3. To have the ability to examine and grasp the meaning of (written or printed material in a given language or notation): reads Chinese; reads music.
4.
a. To examine and grasp the meaning of (language in a form other than written or printed characters, words, or sentences): reading Braille; reading sign language.
b. To examine and grasp the meaning of (a graphic representation): reading a map.
5.
a. To discern and interpret the nature or significance of through close examination or sensitive observation: The tracker read the trail for signs of game.
b. To discern or anticipate through examination or observation; descry: "I can read abandonment in a broken door or shattered window" (William H. Gass).
6. To determine the intent or mood of: can read your mind like a book; a hard person to read.
7.
a. To attribute a certain interpretation or meaning to: read her words differently than I did.
b. To consider (something written or printed) as having a particular meaning or significance: read the novel as a parable.
8. To foretell or predict (the future).
9. To receive or comprehend (a radio message, for example): I read you loud and clear.
10. To study or make a study of: read history as an undergraduate.
11. To learn or get knowledge of from something written or printed: read that interest rates would continue to rise.
12. To proofread.
13. To have or use as a preferred reading in a particular passage: For change read charge.
14. To indicate, register, or show: The dial reads 32°.
15. Computer Science To obtain (data) from a storage medium, such as a magnetic disk.
To 'read on' means to continue to read. eg the teacher said, 'Please read on now'.
'Read in' is the past tense of having read something. eg Yesterday I read in the newspaper that more people were unemployed.