"sallow" in the noun sense
any of several Old World shrubby broad-leaved willows having large catkins some are important sources for tanbark and charcoal
"sallow" in the verb sense
cause to become sallow
"The illness has sallowed her face"
"sallow" in the adjective sense
1. sallow, sickly
Source: WordNet® (An amazing lexical database of English)
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