Definitions of study:

• noun:   a room used for reading and writing and studying

  Example: "He knocked lightly on the closed door of the study"

• noun:   a state of deep mental absorption

  Example: "She is in a deep study"

• noun:   applying the mind to learning and understanding a subject (especially by reading)

  Example: "No schools offer graduate study in interior design"

• noun:   a composition intended to develop one aspect of the performer's technique

  Example: "A study in spiccato bowing"

• noun:   someone who memorizes quickly and easily (as the lines for a part in a play)

  Example: "He is a quick study"

• noun:   a detailed critical inspection
• noun:   preliminary drawing for later elaboration
• noun:   attentive consideration and meditation
• noun:   a written document describing the findings of some individual or group

  Example: "This accords with the recent study by Hill and Dale"

• noun:   a branch of knowledge

  Example: "Anthropology is the study of human beings"

• verb:   give careful consideration to
• verb:   learn by reading books

  Example: "He is studying geology in his room"

• verb:   be a student; follow a course of study; be enrolled at an institute of learning
• verb:   think intently and at length, as for spiritual purposes

  Example: "He is meditating in his study"

• verb:   be a student of a certain subject
• verb:   consider in detail and subject to an analysis in order to discover essential features or meaning
• name:  A surname (very rare: popularity rank in the U.S.: #28267)