Illustrated Companion to the Latin Dictionary/Trochus

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

TROCH'US (τροχός). A boy's hoop; made of iron or bronze, and trundled by a crooked-necked key (clavis), as exhibited by the annexed illustration (Trochus/1.1), from an engraved gem. (Hor. Od. iii. 24. 57. Id. A. P. 380. Prop. iii. 14. 6.) It frequently had a number of small rings set round its rim (Mart. xiv. 169., and wood-cut s. ANULUS, 4.), to make a jingling noise, as it rolled on; and sometimes small bells (tintinnabula) are seen instead of rings.

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  Trochus/1.1