指泰國和柬埔寨的低音木琴，音域僅超過2個8度音階，由一固定於極短支柱上的長方形箱形槽狀共鳴器，和通常為17條綁在繩索上的竹條或硬木條所組成，繩索則懸掛在固定於共鳴箱另一端木板的鈎子上。木條或竹條的下方塗有調音膏糊，以兩個敲擊器敲擊。若指音域和調音方式相同的泰國和柬埔寨鐵琴，則使用「泰式低音鐵琴」一詞。

泰式低音木琴(P,,U,繁體中文-偏好,D,,)
t'ai shih ti yin mu ch'in(P,,U,韋氏拼音-偏好,UF,U,U)
tài shì dī yīn mù qín(P,,U,漢語拼音-偏好,UF,U,U)
tai shi di yin mu qin(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
ranat thum(P,,U,英文-偏好,D,U,PN)
ranat thum(P,,U,荷蘭語-偏好,D,U,U)
ranat thum(P,,U,西班牙語-偏好,D,U,SN)
ranat(low-pitched xylophones)　(,U,英文-非偏好,UF,U,N)
ranat dham(,U,英文-非偏好,UF,U,N)
ranat thum mai(,U,英文-非偏好,UF,U,N)
roneat(low-pitched xylophones)　(,U,英文-非偏好,UF,U,N)

藝術與建築詞典根目錄
....物件層面
........裝備與設備
............聲音裝置 (層級名)
................<依音響特性區分之聲音裝置>
....................體鳴樂器
........................敲擊體鳴樂器
............................<直接敲擊的體鳴樂器>
................................打擊體鳴樂器
....................................<擊奏體鳴樂器：實心>
........................................木琴
............................................泰式低音木琴

distinguished from....

泰式低音鐵琴

英文....	Low-pitched xylophones of Thailand and Cambodia with a range of just over two octaves, consisting of a rectangular box-shaped trough resonator mounted on very short legs, with usually 17 bars of bamboo or hardwood strung on cords suspended on hooks set into the end-boards of the resonator. Tuning paste is applied to the underside of the bars and they are struck with two beaters. For the Thai and Cambodian metallophones of the same range and tuning, use "ranat thum lek."
荷蘭語....	Slaginstrumenten, met een rechthoekige doosvormige klankbodem op korte pootjes, aan haakjes aan de zijkanten van de klankbodem zijn 17 aan koorden geregen staafjes bamboe of hardhout, bevestigd , lage klank, bereik van 2¼ octaaf, gestemd met behulp van stempasta aan de onderkanten van de staafjes, bespeeld met 2 kloppers; Thailand, Cambodja.Gebruik: 'ranat thum lek' voor soortgelijke slaginstrumenten met metalen staafjes.

泰式低音木琴............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
ranat thum............	[VP]
.................	Marcuse, Musical Instruments Dictionary (1975) needs diacritic
.................	Sadie, New Grove Dictionary of Musical Instruments (1984) Vol. 3, 191, needs diacritic; in entry "ranat"
.................	Arnold, New Oxford Companion to Music (1983) Vol. 2, 1724, needs diacritic; in entry "South-East Asian music;" xylophones
.................	TAA database (2000-)
.................	AAT-Ned (1994-)
ranat(low-pitched xylophones)............	[VP]
.................	Sadie, New Grove Dictionary of Musical Instruments (1984) Vol. 3, 191, needs diacritic
ranat dham............	[VP]
.................	Sadie, New Grove Dictionary of Musical Instruments (1984) Vol. 3, 191, needs diacritic; in entry "ranat"
ranat thum mai............	[VP]
.................	Marcuse, Musical Instruments Dictionary (1975) needs diacritic
roneat(low-pitched xylophones)............	[VP]
.................	Sadie, New Grove Dictionary of Musical Instruments (1984) Vol. 3, 191
Subject:............	[Bureau AAT]
.................	Etnomusicologisch Centrum

Getty AAT: 300218276 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300218276
聯合目錄： 泰式低音木琴 、t'ai shih ti yin mu ch'in 、tài shì dī yīn mù qín 、tai shi di yin mu qin 、ranat thum 、ranat 、ranat dham 、ranat thum mai 、roneat 、ranat thum 、ranat thum