tug·boat 
(tŭgbōt′)
(tŭgbōt′)n.
A small powerful boat designed for towing or pushing larger vessels. Also called towboat.
tugboat- hematite
- hematitic
- hemato-
- hematoblast
- hematoblastic
- hematocrit
- hematogenesis
- hematogenetic
- hematogenic
- hematogenous
- hematologic
- hematological
- hematologically
- hematologist
- hematology
- hematolysis
- hematoma
- hematopoiesis
- hematopoietic
- hematopoietic system
- hematospermia
- hematoxylin
- hematozoal
- hematozoic
- hematozoon