speculum

From Latin speculum (“mirror”), from specere (“to see; to look at”) + -ulum (“forming tools of performing a verb”).

• (UK) IPA^(key): /ˈspɛkjʊləm/
• (UK) enPR: spĕkʹyə-ləm, IPA^(key): /ˈspɛkjələm/

speculum (plural speculums or specula)

1. (medicine) A medical instrument used during an examination to dilate an orifice.
2. A mirror, especially one used in a telescope.
3. (ornithology) A bright, lustrous patch of colour found on the wings of ducks and some other birds, usually situated on the distal portions of the secondary quills, and much more brilliant in the adult male than in the female.
4. A lookout place.

• muscle up, muscle-up

• speclum (Vulgar or Late Latin, Appendix Probi)

From speciō +‎ -culum. Confer with spectrum.

• (Classical) IPA^(key): /ˈspe.ku.lum/, [ˈspɛ.kʊ.ɫũ]

speculum n (genitive speculī); second declension

1. a looking-glass, mirror

Second declension.

• speculor

• speculum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• speculum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• speculum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• speculum in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• speculum in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• speculum in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin