Entry 4 senses · 2 variants Webster, 1913

Swelter

/swĕl'-tẽr/ · Swel·ter · IPA /ˈswɛl.tɚ/

01 v. i. To be overcome and faint with heat; to be ready to perish with heat.

imp. & p. p. Sweltered; p. pr. & vb. n. Sweltering

1.
To be overcome and faint with heat; to be ready to perish with heat.
2.
To welter; to soak.[Obs.]

02 v. t. To oppress with heat.

1.
To oppress with heat.
2.
To exude, like sweat.[R.]