Definition of grass-like:
(n) :
(countable, uncountable) Any plant of the family Poaceae, characterized by leaves that arise from nodes in the stem and leaf bases that wrap around the stem, especially those grown as ground cover rather than for grain.
(n) :
(uncountable) A lawn.
(n) :
(uncountable, slang) Marijuana.
(n) :
(uncountable) The outside world, especially in the phrase "touch grass".
(n) :
(countable) Any of the various plants that are not in the family Poaceae that resemble grasses.
(n) :
(countable, uncountable) The season of fresh grass; spring or summer.