SHAMPOOING

Verb

shampooing

present participle of shampoo

Noun

shampooing (plural shampooings)

The act of cleaning something with shampoo.

Source: Wiktionary

SHAMPOO

Sham*poo", v. t. [imp. & p. p. Shampooed; p. pr. & vb. n. Shampooing.] Etym: [Hind. champna to press, to squeeze.] [Writing also champoo.]

1. To press or knead the whole surface of the body of (a person), and at the same time to stretch the limbs and joints, in connection with the hot bath.

2. To wash throughly and rub the head of (a person), with the fingers, using either soap, or a soapy preparation, for the more thorough cleansing.

Sham*poo", n.

Definition: The act of shampooing.

Source: Webster’s Unabridged Dictionary 1913 Edition