the cardinal number that is the product of 10 and 100
source: WordNet 3.0
pronoun
The second personal pronoun, in the singular number, denoting the person addressed; thyself; the pronoun which is used in addressing persons in the solemn or poetical style.
source: Webster 1913
verb
To address as thou, esp. to do so in order to treat with insolent familiarity or contempt.
source: Webster 1913
To use the words thou and thee in discourse after the manner of the Friends.