石いし突づき

noun

ferrule; butt end; metal tip

Refers to the metal or hard protective cap at the bottom of a cane, umbrella, or the butt of a lance/pike. Common in everyday contexts.

• 傘かさの石いし突づきが壊こわれてしまった。

  The ferrule of my umbrella broke.

• 杖つえの石いし突づきをゴム製せいのものに交こう換かんした。

  I replaced the tip of the cane with a rubber one.

noun

hard tip of a mushroom stem

Specifically the tough, often inedible base of a mushroom stem that is cut off before cooking. Used in cooking contexts.

• しいたけの石いし突づきを切きり落おとしてください。

  Please cut off the hard tips of the shiitake mushroom stems.