As a noun thumbtack is
a small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard.
As a verb thumbtack is
to fix or attach something with a thumbtack.
drawingpin
Not English
Drawingpin has no English definition. It may be misspelled.
thumbtack
Noun
A small nail-like tack with a slightly rounded head that can be pressed into place with light pressure from the thumb; used for hanging light articles on a wall or noticeboard
Synonyms
* drawing pin (British)
* pushpin
Verb
(
en verb)
To fix or attach something with a thumbtack.