tào

to cover

to encase; cover; sheath; to overlap; to interleave; to model after; to copy; formula; harness; loop of rope; (fig.) to fish for; to obtain slyly; classifier for sets, collections; bend (of a river or mountain range, in place names); tau (Greek letter Ττ)

This is a measure word (classifier) — its function is grammatical.

Words with 套

单套

dān tào

single set

连指手套

lián zhǐ shǒu tào

mittens

避孕套

bì yùn tào

condom

配套

pèi tào

to form a complete set

锥套

zhuī tào

taper bushing

防毒手套

fáng dú shǒu tào

protective gloves

防毒靴套

fáng dú xuē tào

gas-protection boots

阴茎套

yīn jīng tào

condom

陈套

chén tào

hackneyed formula; worn-out convention

双套

shuāng tào

double set

雪套

xuě tào

gaiters

头套

tóu tào

actor's headgear

More characters with 大