Usage of the character 錐

writing brush (old)
Castanopsis fordii, a species of evergreen tree common in the south of China whose calybia (nuts) resemble the tip of a writing brush

yuánzhuītǐ

圆锥体

[圓錐體]

cone

línshāzhuī

林沙锥

[林沙錐]

(bird species of China) wood snipe (Gallinago nemoricola)

gūshāzhuī

孤沙锥

[孤沙錐]

(bird species of China) solitary snipe (Gallinago solitaria)

zǐzhuīhuā

紫锥花

[紫錐花]

coneflower genus (Echinacea)

zhuīxíngpíng

锥形瓶

[錐形瓶]

Erlenmeyer flask

sānjiǎozhuī

三角锥

[三角錐]

triangular pyramid (math.)

zhuīchóngbìng

锥虫病

[錐蟲病]

trypanosomiasis

zhuīchǐlún

锥齿轮

[錐齒輪]

pinion gear

jiāotōngzhuī

交通锥

[交通錐]

traffic cone

dàshāzhuī

大沙锥

[大沙錐]

(bird species of China) Swinhoe's snipe (Gallinago megala)

yuánzhuīxíng

圆锥形

[圓錐形]

conical
coniform

yuánzhuīzhuàng

圆锥状

[圓錐狀]

conical

yuánzhuīqūxiàn

圆锥曲线

[圓錐曲線]

conic section

pínwúlìzhuī

贫无立锥

[貧無立錐]

not even enough land to stand an awl (idiom); absolutely destitute

zhēnwěishāzhuī

针尾沙锥

[針尾沙錐]

(bird species of China) pin-tailed snipe (Gallinago stenura)

Aònánshāzhuī

澳南沙锥

[澳南沙錐]

(bird species of China) Latham's snipe (Gallinago hardwickii)

shānwěishāzhuī

扇尾沙锥

[扇尾沙錐]

(bird species of China) common snipe (Gallinago gallinago)

Fēizhōuzhuīchóngbìng

非洲锥虫病

[非洲錐蟲病]

sleeping sickness
African trypanosomiasis

pínwúlìzhuīzhīdì

贫无立锥之地

[貧無立錐之地]

not even enough land to stand an awl (idiom); absolutely destitute

tóuxuánliáng,zhuīcìgǔ

头悬梁，锥刺股

[頭懸梁，錐刺股]

lit. with his head attached to a beam and stabbing his thigh with an awl (idiom)
fig. to study assiduously and tirelessly