bottle trapn.
/ˈbɒtl trap/, U.S. /ˈbɑdəl ˌtræp/ 1. A bottle used as a trap, esp. for catching insects.
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1867 People's Mag. 4 May 283/1 Entering the narrow necks of bottles in search of liquor—which they [sc. house crickets] will do by scores..when the bottle-trap is set in a populous colony.
1915 Bull. Illinois State Lab. Nat. Hist. 10 43 One specimen [of a species of dung beetle]..was taken in a bottle trap.
1948 San Antonio (Texas) Light 18 July 2 b/2 Roaches are caught each night in bottle traps, baited usually with a slice of potato.
2001 Express (Nexis) 19 May 64 Once the wasps go in, they cannot get out of this crafty bottle trap.
2. A cylindrical or bottle-shaped trap (trap n.1 8a) in the waste pipe from a bath, basin, or toilet, typically having a removable cap so that rubbish can be cleaned out of the system.
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the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > [noun] > sewer > trap
stink-trap1782
gas trap1818
stench-trap1833
trap1833
smell-trap1851
bottle trap1876
trapping1890
reflux trap1892
1876 Sessional Papers (Royal Institute of Brit. Archit.) 52 The cistern overflow and waste pipe is furnished, at the overflow level, with a strong lead bottle trap.
1906 Water Closets (Internat. Corr. Schools) 5 Bottle traps are also known to the trade as pot traps and drum traps.
1985 D. Holloway Which? Bk. Plumbing & Central Heating (1992) v. 61/3 The bottle trap..has a top entry and side outlet with a baffle inside to keep the bottle full.
2002 R. D. Treloar Plumbing: Heating & Gas Installations (ed. 2) vii. 276 Traps..may be of either tubular or bottle trap design. Tubular traps tend to be less prone to blockage.
This is a new entry (OED Third Edition, September 2016; most recently modified version published online December 2021).
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n.1867