What is another word for "lemon"?

Roget's Thesaurus (1911) lists these synonyms for "lemon": acerb, acescent, acetic, acetose, acetous, acid, acidify, acidity, acidulate, acidulous, alum, aureate, citrine, colored, crab, crabbed, creamy, crocus, edge, fallow, fermentation, flavous, fog, foot, fulvid, fulvous, gamboge, golden, guinea, hard, icterus, jaundice, jaundiced, lactic, low, luteous, ocher, orpiment, primrose, quince.