[*** \mathrm{companion}^1] |kəmˈpanyən|

source: Always Pick Yes When There's a Kawaii Companion - Cartoons & Anime - Anime | Cartoons | Anime Memes | Cartoon Memes | Cartoon Anime

1. a person or animal with whom one spends a lot of time or with whom one travels:

仲間, 連れ (!コーパスfriendより一緒に行動する点に重点をおく言い方) ; (旅行などの)同行者; ｟比喩的に｠ «…の» お供 «for» ; 頭から離れないもの

e.g. his traveling companion

e.g. figurative : fear became my constant companion.

a person who shares the experiences of another, especially when these are unpleasant or unwelcome:

(苦楽を分かち合う)相手, 道連れ

e.g. my companions in misfortune.

a person's long-term sexual partner outside marriage:

e.g. Steve and his live-in companion.

a person, especially an unmarried or widowed woman, employed to live with and assist another:

付添い人〘年配者の世話のために雇われる; 特に女性〙 (!パーティなどでもてなす女性はhostess; 展示会場での案内係はguide)

e.g. she brought along her companion, whose drab attire set off her employer's brilliance.

Astronomy a star, galaxy, or other celestial object that is close to or associated with another:

〘天〙 伴星〘連星系で暗い方の星〙

e.g. the small, hot, and compact companion of Sirius was discovered in 1915

e.g. as modifier : a small companion galaxy.

2. one of a pair of things intended to complement or match each other:

(対をなす物の)一方, «…の» 姉妹版［編, 品］ «to» ; 〖形容詞的に〗対をなす

e.g. as modifier : a companion volume.

usually in names a book that provides information about a particular subject:

〖通例C-〗 «…(へ)の» 手引き(書), 案内(書), 必携 «to» (!特に解説書の書名の一部として用いられる)

e.g. the Oxford Companion to English Literature.

British dated a piece of equipment containing objects used in a particular activity:

｟英｠ (旅行用などの)簡易道具［小物］セット

e.g. a traveler's companion.

3. (Companion) a member of the lowest grade of certain orders of knighthood:

｟英｠ 〖C-〗最下級勳爵士

e.g. a Companion of the Order of Canada.

verb with object formal

accompany:

…に付き添う

e.g. he is companioned by a pageboy.

Middle English: from Old French compaignon, literally ‘one who breaks bread with another’, based on Latin com- ‘together with’ + panis ‘bread’.

[*** \mathrm{companion}^2] |kəmˈpanyən|

a covering over the hatchway leading below decks.

(甲板昇降口の木製の)覆い戸(companion hatchcompanion head)

archaic a raised frame with windows on the quarterdeck of a ship to allow light into the decks below.

(後甲板の)天窓

short for companionway.

(甲板昇降口の)階段(companionway)

mid 18th century: from obsolete Dutch kompanje (earlier form of kampanje) ‘quarterdeck’, from Old French compagne, from Italian (camera della) compagna ‘(storeroom for) provisions’.