What is orphan?

orphan meaning in Information Science terminology / glossary / dictionary is:

In printing, an incomplete line of type, such as a heading or the first line of a paragraph, when it appears at the foot of a page or column of text. Skilled typographers consider such lines awkward and avoid setting them if possible, just as they avoid setting widows. Compare with club line.In indexing, a descriptor or subject heading that has no relation, hierarchic or associative, to any other term in the indexing language (example: Chank, the Library of Congress subject heading for a type of seashell used in Indian folklore and religion). Orphans are rare in indexing. See also: sibling.


reference: ABC-CLIO