seal

An official mark or design that shows something is genuine or secret.

• The official seal was pressed onto the document.
  Resmi mühür belgeye basıldı.
• The letter was closed with a red wax seal.
  Mektup kırmızı bir mühür mumuyla kapatılmıştı.

A device or substance that prevents air or liquid from passing through an opening.

• The jar has a good seal to keep food fresh.
  Kavanozun yiyecekleri taze tutmak için iyi bir contası var.
• The rubber seal on the washing machine door is leaking.
  Çamaşır makinesi kapağının lastik contası sızdırıyor.

A marine mammal that is typically found in cold waters, known for its streamlined body and flippers.

• The seal swam gracefully through the icy waters.
  Fok, buzlu sularda zarifçe yüzdü.
• We saw a seal resting on the rocks by the shore.
  Kıyıdaki kayaların üzerinde dinlenen bir fok gördük.