n.[C]

1. 同伴，伴侣；朋友
   Are you alone or with a companion?

   你单独一人还是与朋友在一起？

2. （受雇服侍老人或病人的）看护妇
3. 成对（或成副等）的物件之一[（+to）]
4. （常用作书名）指南，手册[（+to）]
   The Gardener's Companion was written by David Green.

   《园艺指南》是戴维·格林写的。

5. 【天】伴星

vt.

1. 陪伴

n.

1. a person with whom one spends time or travels.
   ▸a person employed to live with and assist someone old or unwell.
2. each of a pair of things intended to complement or match each other.
   ▸Brit. dated a piece of equipment containing several objects used in a particular activity.
3. (Companion) a member of the lowest grade of certain orders of knighthood.

v.

n.

1. a covering over the hatchway leading to a companionway.
   ▸archaic a raised frame with windows on the quarterdeck to allow light into the decks below.
2. a companionway.