To enlarge; to make bigger.
To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".
To use a dilator to widen (something, such as a vagina).
To become wider or larger; to expand.
To become thicker (in the sense of wider).
To become thicker (in the sense of more viscous).
To make thicker (in the sense of more viscous).
To make thicker (in the sense of wider).
To make more frequent.
To strengthen; to confirm.