bâa [Arabic, ابﻉ ]

A widespread Arabic unit of length that belongs to the fathom family of units. Also romanized as ba'

In Oman globe icon, 20ᵗʰ century , a unit of length equal to the span of outstretched arms.¹

Similiarly, in Arabia, it was described in 1923 as “hand to hand, both arms extended”² and in 1935 as “finger tips to fingertips with arms extended sideways”³.

In Egypt it was specified as 4 dhira mamari = 3 meters.⁴ opens a new page containing a chart that shows relationships between this unit and other units in its system Another estimate: opens a new page containing a chart that shows relationships between this unit and other units in its system

In Tunisia, 1895, as 1.92 meters.

1. United Nations, 1966.

2. Consul Bullard to the Marquess Curzon of Kedleston, October 31, 1923.
Foreign Office Annual Reports from Arabia, 1930-1960. Vol. 1, 1930-1934.
Archive Editions, 1993.
Page 58.

3. Field Notes on Sa'udi Arabia, 1935.
[British] Air Ministry, August 1936.
British Library: India Office Records and Private Papers, IOR/R/15/5/384.
[accessed 15 July 2020 in Qatar Digital Library https://www.qdl.qa/archive/81055/vdc_100000000831.0x0001d5]

4. Saadeddine Bencheneb.
Bulletin des Études des arabes, Sept-Oct 1952, page 104.

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