lat

Etymology 1

Borrowed from Hindi लाट (lāṭ, “pillar; minaret; staff, club”), लाठ (lāṭh, “long staff; cudgel”), etc.

noun

1. (weaponry, rare) A staff, particularly one of an Indian kind.
2. (architecture) A monumental pillar, particularly the Buddhist columns erected in East India.
   A high pillar of stone called Bheem-lat, or the Tealee, or oilman's lat or staff. 1801, “Miscellaneous Tracts”, in Asiatic Annual Register, page 313

Etymology 2

Clipping of latrine.

noun

1. (UK slang, usually in the plural) A latrine: a rudimentary or military facility for urination and defecation.
   At Salisbury Plain and Camberley in 1909/10 I learnt a number of camping expressions like... lats (latrines). 1927, William Edward Collinson, Contemporary English, page 92
   Other synonyms [[Unsupported titles/`lsqb`sc.#English|[sc.]] for lavatories] are rears, lats... and dubs. 1940, M. Marples, Public School Slang, page 112

Etymology 3

Borrowed from Latvian lats, a clipping of Latvija (“Latvia”).

noun

1. (numismatics, historical) The gold-backed monetary unit of Latvia from August 1922 until April 1941, when it was replaced by the Soviet ruble; it was typically pegged at about 25 to the British pound.
2. (numismatics, historical) The floating fiat monetary unit of Latvia from 1992 until January 2014, when it was replaced by the euro.
3. A coin or bill of either currency.

Etymology 4

Clipping of latissimus.

noun

1. (slang, usually in the plural) A latissimus dorsi muscle.

Etymology 5

Clipping of latitude.

noun

1. (slang) Latitude.
   Coordinate term: long