pts.

noun[plural only]1

1. •
   Abbreviation of parts.

noun3

1. •
   Plavayushchij Transportyer - Sryednyj: a Soviet tracked amphibious transport vehicle
2. •
   Initialism of Parsonage-Turner syndrome.
3. •
   Initialism of Paris-Trousseau syndrome.

phrase2

1. •
   (euphemistic) Initialism of put to sleep
2. •
   (Internet) Initialism of pay to surf: a business model where users are paid for viewing advertisements while browsing the World Wide Web.