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触腕

noun

(biology, anatomy) a tentacle: specifically, either of the two tentacles of a squid or cuttlefish that are longer than the other eight (technically called “arms”)

触腕は、多くの海洋生物が獲物を捕らえるために使用します。

Tentacles are used by many marine creatures to catch their prey.

意味（1）

(biology, anatomy) a tentacle: specifically, either of the two tentacles of a squid or cuttlefish that are longer than the other eight (technically called “arms”)

1977, 竹村 よしお and 佐藤 魚水, 海の釣り魚, →ISBN

1977, 竹村 よしお and 佐藤 魚水, 海の釣り魚, →ISBN 普段(ふだん)は短(みじか)い８本(はっぽん)の腕(うで)と同(おな)じく目立(めだ)たないようにしているが、接近(せっきん)するなり、ショットして触腕(しょくわん)を伸長(しんちょう)させて捕捉(ほそく)する。

Fudan wa mijikai happon no ude to onajiku medatanai yō ni shite iru ga, sekkin suru nari, shotto shite shokuwan o shinchō sasete hosoku suru.Usually, like the eight shorter arms, [the two longer tentacles] also try not to stand out. However, as soon as [the cuttlefish] approaches [its prey], it shoots and extends its tentacles to capture it.