Collins Chinese Dictionary Plus (3rd edition), 2011:
套
tàoI 名
1
(=套子) cover
- 手套 shǒutào glove
- 避孕套 bìyùntào condom
2 (=应酬话) convention
3 (阴谋) trap
II 动
1
(=罩在外面) slip …on
2
(=拴) harness
3
(=引出) trick …into
- 套口供 tào kǒugòng trick a suspect into making a confession
4 (模仿) copy
5 (拉拢) win …over;
(pt, pp won)
(pt, pp won)
III 量
set
- 一套西装(裝) yī tào xīzhuāng a suit
- 两(兩)套邮(郵)票 liǎng tào yóupiào two sets of stamps
measure word, used for suits, collections of books, tools, etc.