boton.

Brit.

/ˈbəʊtəʊ/, U.S.

/ˈboʊˌtoʊ/

Forms: 1800s– boto, 1800s– bouto, 1900s– boutu.

Origin: A borrowing from Portuguese. Etymon: Portuguese boto.

Etymology: < Portuguese boto, †bouto, (both 1712 in this sense), of uncertain origin.It has been suggested that this word may ultimately derive from post-classical Latin buttis , butta wineskin, cask (see bit n.³, butt n.⁴), but if so the semantic development has not been satisfactorily explained.

Any of various dolphins of the coasts and rivers of Brazil; spec. a pink or grey river dolphin, Inia geoffrensis (family Iniidae), which has a flexible neck and is found in the Amazon and Orinoco river systems (also called Amazon river dolphin).Two other botos of the genus Inia have recently been recognized.

ΚΠ

1856 Ann. & Mag. Nat. Hist. Aug. 157 The first [Amazon dolphin sent by Bates] is named Bouto by the natives and found near Ega.]

1864 H. W. Bates Naturalist on River Amazons xi. 357 Many mysterious tales were recounted about the Bouto, as the large Dolphin of the Amazons is called.

1873 Empire of Brazil at Vienna Universal Exhib. 32 There are to be found in large troops, in the inlets and bays of the seacoast, the dolphins or botos (Delphinus rostratus).

1937 J. R. Norman & F. C. Fraser Giant Fishes, Whales & Dolphins xv. 338 Boutu or Amazonian Dolphin.

1959 Jrnl. Mammalogy 40 1 The Amazon dolphin or bouto, Inia geoffrensis (Blainville), occurs throughout much of the Amazon.

2014 New Scientist 2 Aug. 6/4 They illegally kill and cut up pink river dolphins or ‘boto’ [and] a second species of river dolphin called tucuxi.

This is a new entry (OED Third Edition, September 2016; most recently modified version published online December 2021).

单词	boto
释义	boton. Brit. /ˈbəʊtəʊ/, U.S. /ˈboʊˌtoʊ/ Forms: 1800s– boto, 1800s– bouto, 1900s– boutu. Origin: A borrowing from Portuguese. Etymon: Portuguese boto. Etymology: < Portuguese boto, †bouto, (both 1712 in this sense), of uncertain origin.It has been suggested that this word may ultimately derive from post-classical Latin buttis , butta wineskin, cask (see bit n.³, butt n.⁴), but if so the semantic development has not been satisfactorily explained. Any of various dolphins of the coasts and rivers of Brazil; spec. a pink or grey river dolphin, Inia geoffrensis (family Iniidae), which has a flexible neck and is found in the Amazon and Orinoco river systems (also called Amazon river dolphin).Two other botos of the genus Inia have recently been recognized. ΚΠ 1856 Ann. & Mag. Nat. Hist. Aug. 157 The first [Amazon dolphin sent by Bates] is named Bouto by the natives and found near Ega.] 1864 H. W. Bates Naturalist on River Amazons xi. 357 Many mysterious tales were recounted about the Bouto, as the large Dolphin of the Amazons is called. 1873 Empire of Brazil at Vienna Universal Exhib. 32 There are to be found in large troops, in the inlets and bays of the seacoast, the dolphins or botos (Delphinus rostratus). 1937 J. R. Norman & F. C. Fraser Giant Fishes, Whales & Dolphins xv. 338 Boutu or Amazonian Dolphin. 1959 Jrnl. Mammalogy 40 1 The Amazon dolphin or bouto, Inia geoffrensis (Blainville), occurs throughout much of the Amazon. 2014 New Scientist 2 Aug. 6/4 They illegally kill and cut up pink river dolphins or ‘boto’ [and] a second species of river dolphin called tucuxi. This is a new entry (OED Third Edition, September 2016; most recently modified version published online December 2021). < n.1864
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