Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) black catechu, catechu (extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally)
S: (n) catechu, Jerusalem thorn, Acacia catechu (East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu)