Paragraph n. : Originally, a marginal mark or note, set in the margin to call attention to something in the text, e. g., a change of subject; now, the character /, commonly used in the text as a reference mark to a footnote, or to indicate the place of a division into sections.

Paragraph n. : A distinct part of a discourse or writing; any section or subdivision of a writing or chapter which relates to a particular point, whether consisting of one or many sentences. The division is sometimes noted by the mark /, but usually, by beginning the first sentence of the paragraph on a new line and at more than the usual distance from the margin.

Paragraph n. : A brief composition complete in one typographical section or paragraph; an item, remark, or quotation comprised in a few lines forming one paragraph; as, a column of news paragraphs; an editorial paragraph.

Paragraph v. t. : To divide into paragraphs; to mark with the character /.

Paragraph v. t. : To express in the compass of a paragraph; as, to paragraph an article.

Paragraph v. t. : To mention in a paragraph or paragraphs

Example:
Write a Paragraph in colloquial English describing the difference between colloquial and formal English?

Taxonomy
main point, sentences, free encyclopedia, indent, main idea, new line, indented paragraphs, first line, supporting details, Digital typography, Typesetting software, Articles with unsourced statements, Body paragraph, describer, manners, Agate, Font formats, in-text citations.

Defination from the web:
paragraph (from the Greek paragraphos, "to write beside" or "written beside") is a self-contained unit of a discourse in writing dealing with a ... At various times the beginning of a paragraph has been indicated by the pilcrow: ...