Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a lectin stimulus. A lectin is a carbohydrate-binding protein, highly specific for binding sugar moieties.
Source:PMID:26306444,
PMID:25996210
Comment
This term refers to endogenous (evolved) responses to lectins (endogenous or exogenous), it does not cover the events that happen due to lectin toxicity.