The other palaemonoid families are therein jointly defined primarily by the slender third maxilliped and the mandible usually with a prominent incisor.

Just as we may endow people with physical properties, so we sometimes endow physical objects with human-like personalities or subjective states. Perhaps because of their capacity for interior accommodation, cars, ships, airplanes and even houses are often given female characteristics or referred to as 'she'.

[Spoken by a shopkeeper] Hmmm... Hate to break this to you, but you don't have enough money.

I suspect that this large and complex military railway system, shrouded in official secrecy for most of its operational life, remains unknown to many people.