(countable) Representation created in the mind without the use of one's faculties of sight, sound, smell, touch, or taste; an instance of thinking.

simple past tense and past participle of think

Used in a common chronometric counting scheme, in which each iteration is sequentially numbered and supposed to be approximately one second in length.

The number 1000.

A chemical element (symbol Th) with atomic number 90: a weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.

(US) One thousand plus one.

The ordinal numeral form of one thousand; last in order of a series of a thousand; next after the nine hundred and ninety-ninth.

(singular only) The person or thing in the thousandth position. / One of a thousand equal parts of a whole.

A strip of leather. / (usually in the plural, Australia, US) An item of footwear, usually of rubber, secured by two straps which join to pass between the big toe and its neighbour.

(botany) A sharp protective spine of a plant. / Any shrub or small tree that bears thorns, especially a hawthorn. / (figuratively) That which pricks or annoys; anything troublesome.