Definitions

1. Noun:
   • Horseshoe crab: A marine arthropod (limulid) characterized by a hard, horseshoe-shaped carapace. Often mentioned in Vietnamese idioms about inseparable couples.
   • Purslane: A common, edible succulent plant (Portulaca oleracea), often used as a vegetable or herb in Vietnamese cuisine. This is a shortened form of "rau sam".
   • Fir tree: A type of coniferous tree (genus Abies), specifically mentioned for its aromatic wood used in producing essential oils.

Usage Examples

• Noun (Horseshoe crab):
  • Ngư dân bắt được một con sam trên bãi biển. (The fisherman caught a horseshoe crab on the beach.)
  • Họ gắn bó với nhau như đôi sam. (They are attached to each other like a pair of horseshoe crabs.)
• Noun (Purslane):
  • Bà ngoại thường nấu canh rau sam. (My grandmother often cooks purslane soup.)
  • Sam là một loại rau dân dã và mát. (Purslane is a common and cooling vegetable.)
• Noun (Fir tree):
  • Gỗ sam có mùi thơm đặc trưng. (Fir wood has a distinctive fragrant smell.)
  • Dầu sam được dùng trong công nghiệp. (Fir oil is used in industry.)

Advanced Usage

• The idiom "quấn quýt như đôi sam" (to be attached/loving like a pair of horseshoe crabs) is a common cultural reference to inseparable love or partnership, stemming from the observation that horseshoe crabs often mate for life and are seen in pairs.

Variants and Related Words

• Rau sam: The full term for "purslane". means vegetable.
• Sam biển: A clarifying term for "horseshoe crab". means sea.
• Cây sam: A clarifying term for the "fir tree". means tree/plant.
• Đôi sam: Refers specifically to a mated pair of horseshoe crabs, central to the common idiom.

Synonyms

• Horseshoe crab: Limulid, king crab (in a biological context, not the culinary kind).
• Purslane: Portulaca, pigweed, little hogweed.
• Fir tree: Conifer, evergreen (general terms).

Related Idioms

• Quấn quýt như đôi sam: As mentioned above, this idiom means "to be inseparable/to stick together like a pair of horseshoe crabs". It is used to describe a very close, loving relationship.

noun

1. purslain, portulaca king-crab