00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a gadget; dingus; thingumbob. |
| a scrap or morsel of food left at a meal. |
swear by
Have great reliance on or confidence in, as in She swears by her personal physician. [Early 1800s]
Also, swear to. Have reliable knowledge of, be sure of, as in I think she was going to the library but I can't swear to it. [Mid-1700s]
Take an oath by, as in I swear by all the saints in heaven. [Early 1200s]