midsectionn.
/ˈmɪdˌsɛkʃn/, U.S. /ˈmɪdˌsɛkʃ(ə)n/ 1. A middle section or part.
ΘΚΠ
the world > space > relative position > central condition or position > [noun] > piece in the centre of anything
centrepiece1739
midsection1890
1890 Manufacturer & Builder Aug. 185/2 It is proposed to make compound armor plates of steel of different degrees of hardness, three tempers being employed, a hard, tough face, a mild midsection, and a very soft steel back.
1895 Ann. Math. 9 5 In like manner we may write a formula involving the mid-section and one base.
1938 D. Baker Young Man with Horn iv. iv. 265 Then trumpet solo for the first section of the second chorus with Josephine coming in at the mid-section to finish it up.
1973 Sci. Amer. July 24/2 Actually all the horns called conical incorporate a certain amount of cylindrical tubing in their midsection.
1996 Proc. National Acad. Sci. U.S.A. 93 10853/1 The ethmoid bone that lies in the midsection of the cavity wall.
2. A person's midriff.
ΘΚΠ
the world > life > the body > external parts of body > trunk > [noun] > middle of trunk or waist
middleeOE
mideOE
girdlec1275
rondelc1300
girdlesteadc1330
waistc1386
belt steadc1540
girding-place1601
midriff1823
beltline1892
midsection1956
1956 Strength & Health Nov. 45/2 Health boots..permit many exercises to develop the legs and strengthen the midsection.
1970 G. Scott-Heron Vulture i. 67 The drinks I had originally poured were now warming our midsections.
1996 Observer 31 Mar. 22/2 (advt.) These abdominal exercises are..effective in getting rid of a pot belly and slimming your midsection.
This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1890