Bible Dictionaries
Leavening

Webster's Dictionary

(1):

(n.) That which leavens or makes light.

(2):

(n.) The act of making light, or causing to ferment, by means of leaven.

(3):

(p. pr. & vb. n.) of Leaven

Bibliography Information
Webster, Noah. Entry for 'Leavening'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/leavening.html. 1828.