write

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To form (letters, words, or symbols) on a surface such as paper with an instrument such as a pen.
• intransitive verb To form (letters or words) in cursive style, especially in contrast to printing by hand.
• intransitive verb To spell.
• intransitive verb To fill (an amount of space) with words or information.
• intransitive verb To put written information in the blank spaces of (a check, form, or similar document).
• intransitive verb To produce or compose (text) in a recorded form that can be read.
• intransitive verb To express in writing; set down.
• intransitive verb To communicate by writing, especially by written letter.
• intransitive verb To communicate with (someone) by writing, especially by letter.
• intransitive verb To compose (a musical work).
• intransitive verb To underwrite, as an insurance policy.
• intransitive verb To compose in legal form; draft.
• intransitive verb To indicate; mark.
• intransitive verb To ordain or prophesy.
• intransitive verb Computers To transfer or copy (information) from memory to a storage device or output device.
• intransitive verb To trace or form letters, words, or symbols on paper or another surface.
• intransitive verb To produce written material, such as articles or books.
• intransitive verb To compose a letter, e-mail, or other written communication.
• idiom (write (one's) own ticket) To set one's own terms or course of action entirely according to one's own needs or wishes.
• idiom (write the book on) To be the preeminent practitioner of or expert in (something).
• idiom (writ large) Signified, expressed, or embodied in a greater or more prominent magnitude or degree.

from The Century Dictionary.

• noun Writing: chiefly in the phrase hand of write.
• To trace or form upon the surface of some material (a significant character or characters, especially characters constituting or representing words); set down, in a manner adapted for reading, with a pen, pencil, style, or anything with which marks can be made; inscribe: as, to write a word on paper; to write one's name with the finger in sand.
• To cover with writing; trace readable characters over the surface of.
• To express or communicate in writing; give a written account of; make a record of, as something known, thought, or believed: as, to write one's observations; he wrote down all he could remember.
• To set forth as an author, or produce in writing, either by one's own or another's hand; compose and produce as an author.
• To designate by writing; style or entitle in writing; record: with an objective word or phrase.
• To record; set down legibly; engrave.