笑む is read as えむ (emu) and means to smile.
えむ
emu
えがお
smiling face
わらい
sex aids (e.g. dildos, pornographic books, erotic woodblock prints, etc.)
わらいごえ
(sound of) laughter
わらう
to laugh
えみ
smile
わらいばなし
funny story
わらいもの
laughingstock
しょうしせんばん
highly ridiculous
わらいぼん
shunga book
わらいごと
laughing matter
わらいだす
to burst into laughter
しょうき
laughing gas