[SUB- 5, 6.]
1. An official next in rank to the head (of a college, etc.).
1588. in Ellis, Orig. Lett., Ser. I. III. 27. The Hedds and Sub-Hedds of the said Colleges and Halls.
2. One of the subordinate divisions into which a main division of a subject is broken up.
1673. O. Walker, Educ., xi. 146. I have chosen to follow Matteo Pellegrini, who reduceth all Predicates that can be applied to a subject to twelve heads . I shall speak in order, shewing what sub-heads every place containeth.
1825. J. Nicholson, Operat. Mechanic, 532. For further information on this head the reader is referred to the sub-headPlastering.
1884. Manch. Exam., 6 Dec., 5/4. A question which occupies about thirty lines of print, and is divided into thirteen sub-heads.
1891. Tuckley, Under the Queen, 268. Making every head and every sub-head [of a sermon] stand out in bold relief.
3. A subordinate heading or title in a book, chapter, article, etc.
1875. Southward, Dict. Typogr., 130. When an article or chapter is divided into several parts, the headings to those parts are set in smaller type than the full head, and are called Sub-heads.
1903. Angus McNeill (T. W. H. Crosland), Egregious English, x. 98. It is essential for the well-being of the country at large that the episode should be reported with a separate sub-head and great circumstance in the Parliamentary report.
1914. Temperance (Wales) Bill (H. C. 72) Cl. 3 (c) Sub-heads (h), (k), and (i) of subsection (2).
So Subheading = SUBHEAD 2, 3.
1889. Wheatley, How to Catal. Libr., 197. In an index the headings will of course be in alphabet, and the sub-headings may be so also.
1902. Daily Chron., 10 Feb., 3/3. Each occurrence being ticketed in the margin with a funny little inset sub-heading.
1904. Brit. Med. Jrnl., 17 Dec., 1645. A chapter is devoted to this subject [of polysomatous terata] under the subheadings of uniovular twins [etc.].