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semi-basement
semi-basement n. 
/ˈsɛmiˌbeɪsmənt/ a basement sunk only part of its depth below the ground surface.
Brit. /ˈsɛmɪˌbeɪsm(ə)nt/
, /ˈsɛmɪˌbeɪsm(ə)nt/U.S. /ˈsɛˌmaɪˌbeɪsmənt/
, /ˈsɛˌmaɪˌbeɪsmənt//ˈsɛmiˌbeɪsmənt/ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > parts of building > room > types of room by situation > [noun] > underground room or cellar
undercroft1395
vault1396
cellar?a1400
siler1548
crypta1563
hypogee1656
hypogeum1706
souterrain1733
favissa1736
cellar room1743
undervaulting1823
serdab1842
semi-basement1905
dunny1906
1905 Daily Chron. 18 Mar. 3/4 In the semi-basement are carpenters' shops, laboratory, &c.
semi-basement
semi-basement n. /ˈsɛmiˌbeɪsmənt/ a basement room or rooms set only partially below ground level.
Brit. /ˈsɛmɪˌbeɪsm(ə)nt/
, /ˈsɛmɪˌbeɪsm(ə)nt/U.S. /ˈsɛˌmaɪˌbeɪsmənt/
, /ˈsɛˌmaɪˌbeɪsmənt//ˈsɛmiˌbeɪsmənt/ΚΠ
1934 Webster's New Internat. Dict. Eng. Lang. Semi-basement.
1963 Punch 20 Nov. 729/1 Desks crowded among filing cabinets in semi-basement.
1974 Country Life 7 Mar. (Suppl.) 32l/1 Semi-basement boiler/drying room, playroom.
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