1
muscle stiffness (esp. in shoulders)
乳房にしこりがあります。
I have a lump in my breast.
2
only applies to
しこり
lump (in tissue, esp. breast);swelling;hardening;lesion
3
only applies to
しこり
lingering discomfort;uneasiness;bad aftertaste;unpleasant feeling
Other forms
凝 【しこり】 · 痼り 【しこり】 (rarely used kanji form) · 痼 【しこり】 (rarely used kanji form)