[Fr. = Pr. clausió:—L. type *clausiōn-em, n. of action f. claus-us shut: cf. POISON:—pōtiōnem.] A partition, division.

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1693.  Evelyn, De la Quint. Compl. Gard., 5. [The walls of the green house] may be built of Loame, tempered … or with a double Cloison made of Boards well Rabitted.

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1872.  H. A. Nicholson, Palæont., 425. There is no ‘cloison,’ and the incisors are of large size.

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1883.  Proc. Soc. Antiq., Ser. II. IX. 250. Divided by thin bands of gold forming cloisons.

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1888.  Pall Mall Gaz., 11 Feb., 3/1. Translucent enamels between the cloisons open up a new era.

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