Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
Studies seem to indicate or to show that She-men (しめ) are way more powerful than He-men. Just look at how much bigger their swords and biceps are.
Don’t promise me anything. Actions speak louder than words.